Rename: Implement Rename conflict analysis for classes. Qualify class references to resove rename conflicts when possible

#KT-8611 Fixed
 #KT-8562 Fixed
(cherry picked from commit 8989ccc)

idea/testData/refactoring/rename/renamedClassShadowingImportedClassUsage/after/test/lib.kt

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+package lib
+
+class LibType

idea/testData/refactoring/rename/renamedClassShadowingImportedClassUsage/after/test/ref.kt

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+package ref
+
+import lib.LibType
+
+class LibType {}
+
+class Referrer1 { fun method(p1a: ref.LibType, p1b: String) {} }
+class Referrer2 { fun method(p2a: ref.LibType, p2b: LibType) {} }

idea/testData/refactoring/rename/renamedClassShadowingImportedClassUsage/before/test/lib.kt

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+package lib
+
+class LibType

idea/testData/refactoring/rename/renamedClassShadowingImportedClassUsage/before/test/ref.kt

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+package ref
+
+import lib.LibType
+
+class /*rename*/CustomType {}
+
+class Referrer1 { fun method(p1a: CustomType, p1b: String) {} }
+class Referrer2 { fun method(p2a: CustomType, p2b: LibType) {} }

idea/testData/refactoring/rename/renamedClassShadowingImportedClassUsage/renamedClassShadowingImportedClassUsage.test

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+{
+  "type": "MARKED_ELEMENT",
+  "mainFile": "test/ref.kt",
+  "newName": "LibType",
+  "withRuntime": "true"
+}