Rename: Fix rename of import alias referring to object member

#KT-18096 Fixed

idea/testData/refactoring/rename/objectFunctionImportAliasByRef/after/test.kt

@@ -0,0 +1,9 @@
+import Foo.foo as baz
+
+object Foo {
+    fun foo() {}
+}
+
+fun test() {
+    baz()
+}

idea/testData/refactoring/rename/objectFunctionImportAliasByRef/before/test.kt

@@ -0,0 +1,9 @@
+import Foo.foo as bar
+
+object Foo {
+    fun foo() {}
+}
+
+fun test() {
+    /*rename*/bar()
+}

idea/testData/refactoring/rename/objectFunctionImportAliasByRef/objectFunctionImportAliasByRef.test

@@ -0,0 +1,5 @@
+{
+  "type": "AUTO_DETECT",
+  "mainFile": "test.kt",
+  "newName": "baz"
+}