[Test] Update testdata of quickfix tests related to sealed classes

idea/testData/quickfix/addDataModifier/sealed.kt

@@ -5,7 +5,6 @@
 // ACTION: Create member function 'Foo.component2'
 // ACTION: Enable a trailing comma by default in the formatter
 // ACTION: Put arguments on separate lines
-// ERROR: Cannot access '<init>': it is private in 'Foo'
 // ERROR: Destructuring declaration initializer of type Foo must have a 'component1()' function
 // ERROR: Destructuring declaration initializer of type Foo must have a 'component2()' function
 // ERROR: Sealed types cannot be instantiated

idea/testData/quickfix/implement/sealed.kt.after

@@ -4,9 +4,10 @@
 
 sealed class Base {
     abstract fun foo(): Int
-    class BaseImpl : Base() {
-        override fun foo(): Int {
-            TODO("Not yet implemented")
-        }
+}
+
+class BaseImpl : Base() {
+    override fun foo(): Int {
+        TODO("Not yet implemented")
     }
 }

idea/testData/quickfix/implement/sealedEmpty.kt.after

@@ -1,6 +1,5 @@
 // "Implement sealed class" "true"
 // SHOULD_BE_AVAILABLE_AFTER_EXECUTION
 
-sealed class Sealed {
-    class SealedImpl : Sealed()
-}
+sealed class Sealed
+class SealedImpl : Sealed()

idea/testData/quickfix/implement/sealedWithConflict.kt.after

@@ -8,10 +8,10 @@ sealed class Base {
     class BaseImpl : Base() {
         override fun foo() = throw UnsupportedOperationException()
     }
+}
 
-    class BaseImpl1 : Base() {
-        override fun foo(): Int {
-            TODO("Not yet implemented")
-        }
+class BaseImpl : Base() {
+    override fun foo(): Int {
+        TODO("Not yet implemented")
     }
 }

idea/testData/quickfix/increaseVisibility/invalidSealedClassInheritance.kt

@@ -1,7 +1,6 @@
 // "Make '<init>' public" "false"
 // "Make '<init>' internal" "false"
 // ACTION: Introduce import alias
-// ERROR: Cannot access '<init>': it is private in 'SealedClass'
 // ERROR: This type is sealed, so it can be inherited by only its own nested classes or objects
 
 sealed class SealedClass