Move: Fix internal reference processing on moving multiple files

#KT-17211 Fixed

idea/testData/refactoring/move/kotlin/moveFile/moveMultipleFIles/after/target/bar.kt

@@ -0,0 +1,5 @@
+package target
+
+interface NamedFaceO
+
+class NamedClassO : NamedFaceO

idea/testData/refactoring/move/kotlin/moveFile/moveMultipleFIles/after/target/foo.kt

@@ -0,0 +1,5 @@
+package target
+
+interface NamedFaceN
+
+class NamedClassN : NamedFaceN

idea/testData/refactoring/move/kotlin/moveFile/moveMultipleFIles/before/source/bar.kt

@@ -0,0 +1,5 @@
+package source
+
+interface NamedFaceO
+
+class NamedClassO : NamedFaceO

idea/testData/refactoring/move/kotlin/moveFile/moveMultipleFIles/before/source/foo.kt

@@ -0,0 +1,5 @@
+package source
+
+interface NamedFaceN
+
+class NamedClassN : NamedFaceN

idea/testData/refactoring/move/kotlin/moveFile/moveMultipleFIles/moveMultipleFiles.test

@@ -0,0 +1,5 @@
+{
+  "filesToMove": ["source/foo.kt", "source/bar.kt"],
+  "type": "MOVE_FILES_WITH_DECLARATIONS",
+  "targetDirectory": "target"
+}

idea/testData/refactoring/moveMultiModule/moveFileWithDeclarationsToUnrelatedModuleConflict/moveFileWithDeclarationsToUnrelatedModuleConflict.test

@@ -1,5 +1,5 @@
 {
-  "mainFile": "A/src/a1/internalTarget.kt",
+  "filesToMove": ["A/src/a1/internalTarget.kt"],
   "type": "MOVE_FILES_WITH_DECLARATIONS",
   "targetDirectory": "B/src/b",
   "withRuntime": "true"

idea/testData/refactoring/moveMultiModule/moveToModuleWithoutLibConflict/moveToModuleWithoutLibConflict.test

@@ -1,5 +1,5 @@
 {
-  "mainFile": "A/src/a/test.kt",
+  "filesToMove": ["A/src/a/test.kt"],
   "type": "MOVE_FILES_WITH_DECLARATIONS",
   "targetDirectory": "B/src/b",
   "withRuntime": "true",

idea/testData/refactoring/moveMultiModule/visibilityConflictInImport/visibilityConflictInImport.test

@@ -1,5 +1,5 @@
 {
-  "mainFile": "A/src/a1/internalTarget.kt",
+  "filesToMove": ["A/src/a1/internalTarget.kt"],
   "type": "MOVE_FILES_WITH_DECLARATIONS",
   "targetDirectory": "B/src/b",
   "withRuntime": "true"