Fix old testdata: add missing operator modifier

This testdata was written when there was no "operator" modifier.

 After a83225218f rules for operators become stricter and now functions without operators are not considered as such

idea/testData/editor/optimizeImports/common/ComponentFunction.dependency.kt

@@ -3,5 +3,5 @@ package test1
 public class MyClass {
 }
 
-public fun MyClass.component1() = 1
-public fun MyClass.component2() = 2
+public operator fun MyClass.component1() = 1
+public operator fun MyClass.component2() = 2

idea/testData/findUsages/kotlin/variable/plusAssignFun.0.kt

@@ -2,7 +2,7 @@
 // OPTIONS: usages
 class C
 
-fun C.plusAssign(p: Int) = this
+operator fun C.plusAssign(p: Int) = this
 
 fun foo() {
     val <caret>c = C()

idea/testData/internal/toolWindow/componentInlineFun/inlineFun.kt

@@ -1,8 +1,8 @@
 package inlineFun1
 
 class A {
-    inline fun component1() = foo { 1 }
-    inline fun component2() = foo { 2 }
+    inline operator fun component1() = foo { 1 }
+    inline operator fun component2() = foo { 2 }
 
     inline fun foo(f: () -> Int) = f()
 }

idea/testData/resolve/references/MultiDeclarationExtension.kt

@@ -3,8 +3,8 @@ package a
 class A() {
 }
 
-fun A.component1() = 1
-fun A.component2() = 1
+operator fun A.component1() = 1
+operator fun A.component2() = 1
 
 fun main(args: Array<String>) {
     val (a, <caret>b) = A()

idea/testData/resolve/references/MultiDeclarationMember.kt

@@ -1,8 +1,8 @@
 package a
 
 class MyPair {
-    fun component1() = 1
-    fun component2() = 2
+    operator fun component1() = 1
+    operator fun component2() = 2
 }
 
 fun main(args: Array<String>) {