Add import for member: don't suggest if a class with the same name has been imported

#KT-38492 Fixed

idea/testData/intentions/importMember/AlreadyImportedSameNameClass.kt

@@ -0,0 +1,22 @@
+// IS_APPLICABLE: false
+package foo.bar
+
+import foo.bar.A.SUCCESS
+
+fun test() {
+    foo(SUCCESS)
+    bar(B.SUCCESS<caret>)
+}
+
+fun foo(a: A) {}
+
+fun bar(b: B) {}
+
+enum class A {
+    SUCCESS, ERROR
+}
+
+enum class B {
+    SUCCESS, ERROR
+}
+

idea/testData/intentions/importMember/AlreadyImportedSameNameClass2.kt

@@ -0,0 +1,22 @@
+// IS_APPLICABLE: false
+package foo.bar
+
+import foo.bar.A.*
+
+fun test() {
+    foo(SUCCESS)
+    bar(B.SUCCESS<caret>)
+}
+
+fun foo(a: A) {}
+
+fun bar(b: B) {}
+
+enum class A {
+    SUCCESS, ERROR
+}
+
+enum class B {
+    SUCCESS, ERROR
+}
+