Move: Optimize imports after applying "Move declaration to separate file" intention

#KT-10174 Fixed

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/optimizeImports/after/Baz.kt

@@ -0,0 +1,4 @@
+package baz
+
+class Baz {
+}

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/optimizeImports/after/Foo.kt

@@ -0,0 +1,7 @@
+package foo.bar
+
+import baz.Baz
+
+class Foo {
+    val b = Baz()
+}

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/optimizeImports/after/test.kt

@@ -0,0 +1,3 @@
+package foo.bar
+
+class Bar

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/optimizeImports/before/Baz.kt

@@ -0,0 +1,4 @@
+package baz
+
+class Baz {
+}

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/optimizeImports/before/test.kt

@@ -0,0 +1,9 @@
+package foo.bar
+
+import baz.Baz
+
+class <caret>Foo {
+    val b = Baz()
+}
+
+class Bar

idea/testData/multiFileIntentions/moveDeclarationToSeparateFile/optimizeImports/optimizeImports.test

@@ -0,0 +1,5 @@
+{
+  "mainFile": "test.kt",
+  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.MoveDeclarationToSeparateFileIntention",
+  "isApplicable": "true"
+}