Don't delete import from stdlib if alias exists and used

#KT-31414 Fixed

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias.dependency.kt

@@ -0,0 +1,9 @@
+package pack1
+
+fun a() {
+
+}
+
+fun Int.a() {
+
+}

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias.kt

@@ -0,0 +1,15 @@
+import pack1.a
+import pack1.a as a1
+import kotlin.collections.List
+import kotlin.collections.List as List1
+import kotlin.run as run1
+import kotlin.run
+
+fun foo() {
+    run {}
+    run1 {}
+    List<String>(1) {}
+    List1<String>(1) {}
+    a()
+    a1()
+}

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias.kt.after

@@ -0,0 +1,15 @@
+import pack1.a
+import kotlin.collections.List
+import kotlin.run
+import pack1.a as a1
+import kotlin.collections.List as List1
+import kotlin.run as run1
+
+fun foo() {
+    run {}
+    run1 {}
+    List<String>(1) {}
+    List1<String>(1) {}
+    a()
+    a1()
+}

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias.kt.log

@@ -0,0 +1,37 @@
+Additional checking of reference Getter: List
+Additional checking of reference KtSimpleNameReference: List
+Additional checking of reference Getter: List1
+Additional checking of reference KtSimpleNameReference: List1
+Changed resolve of KtSimpleNameReference: List1
+Additional checking of reference Getter: a1
+Additional checking of reference KtSimpleNameReference: a1
+Changed resolve of KtSimpleNameReference: a1
+Additional checking of reference Getter: run
+Additional checking of reference KtSimpleNameReference: run
+Additional checking of reference Getter: run1
+Additional checking of reference KtSimpleNameReference: run1
+Changed resolve of KtSimpleNameReference: run1
+Additional checking of reference KtInvokeFunctionReference: List1<String>(1) {}
+Additional checking of reference KtInvokeFunctionReference: List<String>(1) {}
+Additional checking of reference KtInvokeFunctionReference: a1()
+Additional checking of reference KtInvokeFunctionReference: run {}
+Additional checking of reference KtInvokeFunctionReference: run1 {}
+Trying to build import list again with import rules: +pack1.a as a1, +kotlin.collections.List as List1, +kotlin.run as run1
+Additional checking of reference Getter: List
+Additional checking of reference KtSimpleNameReference: List
+Additional checking of reference Getter: List1
+Additional checking of reference KtSimpleNameReference: List1
+Changed resolve of KtSimpleNameReference: List1
+Additional checking of reference Getter: a1
+Additional checking of reference KtSimpleNameReference: a1
+Changed resolve of KtSimpleNameReference: a1
+Additional checking of reference Getter: run
+Additional checking of reference KtSimpleNameReference: run
+Additional checking of reference Getter: run1
+Additional checking of reference KtSimpleNameReference: run1
+Changed resolve of KtSimpleNameReference: run1
+Additional checking of reference KtInvokeFunctionReference: List1<String>(1) {}
+Additional checking of reference KtInvokeFunctionReference: List<String>(1) {}
+Additional checking of reference KtInvokeFunctionReference: a1()
+Additional checking of reference KtInvokeFunctionReference: run {}
+Additional checking of reference KtInvokeFunctionReference: run1 {}

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias2.dependency.kt

@@ -0,0 +1,9 @@
+package pack1
+
+fun a() {
+
+}
+
+fun Int.a() {
+
+}

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias2.kt

@@ -0,0 +1,10 @@
+import pack1.a
+import pack1.a as a1
+import kotlin.run as run1
+import kotlin.run
+
+fun foo() {
+    run1 {}
+    a()
+    42.a1()
+}

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias2.kt.after

@@ -0,0 +1,9 @@
+import pack1.a
+import pack1.a as a1
+import kotlin.run as run1
+
+fun foo() {
+    run1 {}
+    a()
+    42.a1()
+}

idea/testData/editor/optimizeImports/common/DefaultImportAndAlias2.kt.log

@@ -0,0 +1,17 @@
+Additional checking of reference Getter: a1
+Additional checking of reference KtSimpleNameReference: a1
+Changed resolve of KtSimpleNameReference: a1
+Additional checking of reference Getter: run1
+Additional checking of reference KtSimpleNameReference: run1
+Changed resolve of KtSimpleNameReference: run1
+Additional checking of reference KtInvokeFunctionReference: a1()
+Additional checking of reference KtInvokeFunctionReference: run1 {}
+Trying to build import list again with import rules: +pack1.a as a1, +kotlin.run as run1
+Additional checking of reference Getter: a1
+Additional checking of reference KtSimpleNameReference: a1
+Changed resolve of KtSimpleNameReference: a1
+Additional checking of reference Getter: run1
+Additional checking of reference KtSimpleNameReference: run1
+Changed resolve of KtSimpleNameReference: run1
+Additional checking of reference KtInvokeFunctionReference: a1()
+Additional checking of reference KtInvokeFunctionReference: run1 {}

idea/testData/editor/optimizeImports/common/TwoConstructors.kt.after

@@ -1,5 +1,5 @@
 // NAME_COUNT_TO_USE_STAR_IMPORT: 2
-import p1.A
+import p1.*
 import p2.A
 
 fun f() {

idea/testData/editor/optimizeImports/common/TwoConstructors.kt.log

@@ -6,3 +6,4 @@ Additional checking of reference KtSimpleNameReference: A
 Changed resolve of KtSimpleNameReference: A
 Additional checking of reference KtInvokeFunctionReference: A("")
 Additional checking of reference KtInvokeFunctionReference: A(1)
+Trying to build import list again with import rules: +p2.A, +p1.*

idea/testData/editor/optimizeImports/common/WithAlias.dependency.kt

@@ -0,0 +1,9 @@
+package pack1
+
+fun a() {
+
+}
+
+fun Int.a() {
+
+}

idea/testData/editor/optimizeImports/common/WithAlias.kt

@@ -0,0 +1,6 @@
+import pack1.a
+import pack1.a as a1
+
+fun foo() {
+    42.a1()
+}

idea/testData/editor/optimizeImports/common/WithAlias.kt.after

@@ -0,0 +1,5 @@
+import pack1.a as a1
+
+fun foo() {
+    42.a1()
+}

idea/testData/editor/optimizeImports/common/WithAlias.kt.log

@@ -0,0 +1,9 @@
+Additional checking of reference Getter: a1
+Additional checking of reference KtSimpleNameReference: a1
+Changed resolve of KtSimpleNameReference: a1
+Additional checking of reference KtInvokeFunctionReference: a1()
+Trying to build import list again with import rules: +pack1.a as a1
+Additional checking of reference Getter: a1
+Additional checking of reference KtSimpleNameReference: a1
+Changed resolve of KtSimpleNameReference: a1
+Additional checking of reference KtInvokeFunctionReference: a1()

idea/testData/editor/optimizeImports/common/WithAlias2.dependency.kt

@@ -0,0 +1,9 @@
+package pack1
+
+fun a() {
+
+}
+
+fun Int.a() {
+
+}

idea/testData/editor/optimizeImports/common/WithAlias2.kt

@@ -0,0 +1,6 @@
+import pack1.a
+import pack1.a as a1
+
+fun foo() {
+    a()
+}

idea/testData/editor/optimizeImports/common/WithAlias2.kt.after

@@ -0,0 +1,5 @@
+import pack1.a
+
+fun foo() {
+    a()
+}