KT-15153 Support typeAlias extensions in completion and add import

#KT-15153 fixed

idea/testData/quickfix/autoImports/extensionPropertyOnTypeAliasFromExpansion.after.kt

@@ -0,0 +1,10 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.A
+import dep.ext
+
+fun use() {
+    val ta = A()
+    ta.ext<caret>
+}

idea/testData/quickfix/autoImports/extensionPropertyOnTypeAliasFromExpansion.before.Dependency.kt

@@ -0,0 +1,7 @@
+package dep
+
+class A
+
+typealias TA = A
+
+val TA.ext: String get() = "ext"

idea/testData/quickfix/autoImports/extensionPropertyOnTypeAliasFromExpansion.before.Main.kt

@@ -0,0 +1,9 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.A
+
+fun use() {
+    val ta = A()
+    ta.ext<caret>
+}

idea/testData/quickfix/autoImports/extensionPropertyOnTypeAliasFromOtherTypeAlias.after.kt

@@ -0,0 +1,10 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TA1
+import dep.ext
+
+fun use() {
+    val ta = TA1()
+    ta.ext<caret>
+}

idea/testData/quickfix/autoImports/extensionPropertyOnTypeAliasFromOtherTypeAlias.before.Dependency.kt

@@ -0,0 +1,8 @@
+package dep
+
+class A
+
+typealias TA = A
+typealias TA1 = A
+
+val TA.ext: String get() = "ext"

idea/testData/quickfix/autoImports/extensionPropertyOnTypeAliasFromOtherTypeAlias.before.Main.kt

@@ -0,0 +1,9 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TA1
+
+fun use() {
+    val ta = TA1()
+    ta.ext<caret>
+}

idea/testData/quickfix/autoImports/typeAliasExtensionFunction.after.kt

@@ -0,0 +1,10 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TA
+import dep.ext
+
+fun use() {
+    val ta = TA()
+    ta.ext<caret>()
+}

idea/testData/quickfix/autoImports/typeAliasExtensionFunction.before.Dependency.kt

@@ -0,0 +1,9 @@
+package dep
+
+class A
+
+typealias TA = A
+
+fun TA.ext() {
+
+}

idea/testData/quickfix/autoImports/typeAliasExtensionFunction.before.Main.kt

@@ -0,0 +1,9 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TA
+
+fun use() {
+    val ta = TA()
+    ta.ext<caret>()
+}

idea/testData/quickfix/autoImports/typeAliasExtensionFunctionInTypeAliasChain.after.kt

@@ -0,0 +1,9 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TTA
+import dep.ext
+
+fun use(taa: TTA) {
+    taa.ext<caret>()
+}

idea/testData/quickfix/autoImports/typeAliasExtensionFunctionInTypeAliasChain.before.Dependency.kt

@@ -0,0 +1,10 @@
+package dep
+
+class A
+
+typealias TA = A
+typealias TTA = TA
+
+fun TA.ext() {
+
+}

idea/testData/quickfix/autoImports/typeAliasExtensionFunctionInTypeAliasChain.before.Main.kt

@@ -0,0 +1,8 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TTA
+
+fun use(taa: TTA) {
+    taa.ext<caret>()
+}

idea/testData/quickfix/autoImports/typeAliasExtensionProperty.after.kt

@@ -0,0 +1,10 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TA
+import dep.ext
+
+fun use() {
+    val ta = TA()
+    ta.ext<caret>
+}

idea/testData/quickfix/autoImports/typeAliasExtensionProperty.before.Dependency.kt

@@ -0,0 +1,7 @@
+package dep
+
+class A
+
+typealias TA = A
+
+val TA.ext: String get() = "ext"

idea/testData/quickfix/autoImports/typeAliasExtensionProperty.before.Main.kt

@@ -0,0 +1,9 @@
+// "Import" "true"
+// ERROR: Unresolved reference: ext
+
+import dep.TA
+
+fun use() {
+    val ta = TA()
+    ta.ext<caret>
+}