More correct code transformations: do not perform formatter's job on yourself

idea/testData/formatter/ColonSpaces.after.inv.kt

@@ -0,0 +1,9 @@
+fun foo() {
+    val (i :Int, s :String) = bar()
+    val h = {() :Unit -> bar() }
+    for (i :Int in collection) {
+    }
+}
+
+// SET_FALSE: SPACE_BEFORE_TYPE_COLON
+// SET_TRUE: SPACE_AFTER_TYPE_COLON

idea/testData/formatter/ColonSpaces.after.kt

@@ -0,0 +1,9 @@
+fun foo() {
+    val (i: Int, s: String) = bar()
+    val h = {(): Unit -> bar() }
+    for (i: Int in collection) {
+    }
+}
+
+// SET_FALSE: SPACE_BEFORE_TYPE_COLON
+// SET_TRUE: SPACE_AFTER_TYPE_COLON

idea/testData/formatter/ColonSpaces.kt

@@ -0,0 +1,9 @@
+fun foo() {
+    val (i:Int,s:String) = bar()
+    val h = {():Unit -> bar()}
+    for (i:Int in collection) {
+    }
+}
+
+// SET_FALSE: SPACE_BEFORE_TYPE_COLON
+// SET_TRUE: SPACE_AFTER_TYPE_COLON