Move: Optimize conflict analysis

- Do not process conflicts twice wgen moving a directory
- Check move target before resolving usage context declaration
- Skip visibility check for usages referring to public declarations
- Skip module conflict check for declarations with unchanged module
- Do not report lambdas as usage container (use enclosing declaration)

idea/testData/intentions/moveOutOfCompanion/moveFunctionWithExternalRefs.kt

@@ -1,5 +1,5 @@
 // WITH_RUNTIME
-// SHOULD_FAIL_WITH: 'foo' in class B will require class instance, 'foo' in function test() will require class instance, 'foo' in function test() will require class instance, 'foo' in lambda <anonymous>() will require class instance
+// SHOULD_FAIL_WITH: 'foo' in class B will require class instance, 'foo' in function test() will require class instance, 'foo' in function test() will require class instance, 'foo' in function test() will require class instance
 class A {
     companion object {
         class B {