Corrected order of modifier insertion

compiler/frontend/src/org/jetbrains/kotlin/psi/addRemoveModifier.kt

@@ -112,5 +112,4 @@ private val MODIFIERS_TO_REPLACE = mapOf(
 private val MODIFIERS_ORDER = listOf(PUBLIC_KEYWORD, PROTECTED_KEYWORD, PRIVATE_KEYWORD, INTERNAL_KEYWORD,
                                      FINAL_KEYWORD, OPEN_KEYWORD, ABSTRACT_KEYWORD,
                                      OVERRIDE_KEYWORD,
-                                     INNER_KEYWORD,
-                                     ENUM_KEYWORD, COMPANION_KEYWORD)
+                                     INNER_KEYWORD, ENUM_KEYWORD, COMPANION_KEYWORD, INFIX_KEYWORD, OPERATOR_KEYWORD)

idea/testData/quickfix/migration/operatorModifier/simple.kt

@@ -1,4 +1,4 @@
 // "Add 'operator' modifier" "true"
 class A {
-    fun <caret>plus(other: A): A = A()
+    public fun <caret>plus(other: A): A = A()
 }

idea/testData/quickfix/migration/operatorModifier/simple.kt.after

@@ -1,4 +1,4 @@
 // "Add 'operator' modifier" "true"
 class A {
-    operator fun plus(other: A): A = A()
+    public operator fun plus(other: A): A = A()
 }