Fix exception when add import

#KT-30524 Fixed

core/descriptors/src/org/jetbrains/kotlin/descriptors/Visibilities.java

@@ -236,7 +236,7 @@ public class Visibilities {
     public static final Visibility LOCAL = new Visibility("local", false) {
         @Override
         public boolean mustCheckInImports() {
-            throw new IllegalStateException("This method shouldn't be invoked for LOCAL visibility");
+            return true;
         }
 
         @Override

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()
+}

idea/tests/org/jetbrains/kotlin/addImport/AddImportTestGenerated.java

@@ -59,6 +59,11 @@ public class AddImportTestGenerated extends AbstractAddImportTest {
         runTest("idea/testData/addImport/CommentsNoPackageDirective.kt");
     }
 
+    @TestMetadata("ConflictingLocalRef.kt")
+    public void testConflictingLocalRef() throws Exception {
+        runTest("idea/testData/addImport/ConflictingLocalRef.kt");
+    }
+
     @TestMetadata("ConflictingNameAppearsAndHasUsage1.kt")
     public void testConflictingNameAppearsAndHasUsage1() throws Exception {
         runTest("idea/testData/addImport/ConflictingNameAppearsAndHasUsage1.kt");