Code completion: another way of import insertion on class name completion.

#KT-4905 Fixed

idea/testData/completion/handlers/Object.kt

@@ -0,0 +1,5 @@
+package foo
+
+object Unique
+
+val t = Unique<caret>

idea/testData/completion/handlers/Object.kt.after

@@ -0,0 +1,5 @@
+package foo
+
+object Unique
+
+val t = Unique<caret>

idea/testData/completion/handlers/multifile/ImportAlreadyImportedObject-1.kt

@@ -3,5 +3,5 @@ package some
 import test.SomeTestObject
 
 fun test() {
-  SomeTestObject<caret>
+    SomeTestObject<caret>
 }

idea/testData/completion/handlers/multifile/ImportAlreadyImportedObject.kt.after

@@ -3,5 +3,5 @@ package some
 import test.SomeTestObject
 
 fun test() {
-  SomeTestObject<caret>
+    SomeTestObject<caret>
 }