Fix exception when add import

#KT-30524 Fixed

idea/testData/addImport/ConflictingLocalRef.dependency.kt

@@ -0,0 +1,10 @@
+package test
+
+fun a1() {}
+fun a2() {}
+fun a3() {}
+fun a4() {}
+fun a5() {}
+fun a6() {}
+fun a7() {}
+val kotlinType = "ds"

idea/testData/addImport/ConflictingLocalRef.kt

@@ -0,0 +1,13 @@
+// IMPORT: test.a7
+import test.a1
+import test.a2
+import test.a3
+import test.a4
+import test.a5
+import test.a6
+
+fun test() {
+    val kotlinType = ""
+    kotlinType
+    a7()
+}

idea/testData/addImport/ConflictingLocalRef.kt.after

@@ -0,0 +1,8 @@
+// IMPORT: test.a7
+import test.*
+
+fun test() {
+    val kotlinType = ""
+    kotlinType
+    a7()
+}