Exclude alias imported names from all-under imported packages when determining whether a type has been imported for completion.

#KT-13447 Fixed

idea/idea-completion/testData/weighers/basic/ImportedOrder.Data1.kt

@@ -2,3 +2,4 @@ package ppp1
 
 class MyClass1
 class MyClass2
+class MyClass7

idea/idea-completion/testData/weighers/basic/ImportedOrder.kt

@@ -1,5 +1,6 @@
 import ppp1.*
 import ppp3.MyClass6
+import ppp1.MyClass7 as AnotherClass7
 
 val v = My<caret>
 
@@ -22,3 +23,6 @@ val v = My<caret>
 
 /* not imported */
 // ORDER: MyClass4
+
+/* not imported */
+// ORDER: MyClass7

idea/idea-core/src/org/jetbrains/kotlin/idea/core/ImportableFqNameClassifier.kt

@@ -29,6 +29,7 @@ class ImportableFqNameClassifier(private val file: KtFile) {
     private val preciseImports = HashSet<FqName>()
     private val preciseImportPackages = HashSet<FqName>()
     private val allUnderImports = HashSet<FqName>()
+    private val excludedImports = HashSet<FqName>()
 
     init {
         for (import in file.importDirectives) {
@@ -37,9 +38,12 @@ class ImportableFqNameClassifier(private val file: KtFile) {
             if (importPath.isAllUnder) {
                 allUnderImports.add(fqName)
             }
-            else {
+            else if (!importPath.hasAlias()) {
                 preciseImports.add(fqName)
                 preciseImportPackages.add(fqName.parent())
+            } else {
+                excludedImports.add(fqName)
+                // TODO: support aliased imports in completion
             }
         }
     }
@@ -84,7 +88,7 @@ class ImportableFqNameClassifier(private val file: KtFile) {
     }
 
     private fun isImportedWithPreciseImport(name: FqName) = name in preciseImports
-    private fun isImportedWithAllUnderImport(name: FqName) = name.parent() in allUnderImports
+    private fun isImportedWithAllUnderImport(name: FqName) = name.parent() in allUnderImports && name !in excludedImports
     private fun hasPreciseImportFromPackage(packageName: FqName) = packageName in preciseImportPackages
 }