Create from Usage: Fix exception in "Create class" quickfix applied to unresolved references in type arguments. Create class body when necessary

#KT-12777 Fixed
(cherry picked from commit dc90ec9)

idea/testData/quickfix/createFromUsage/createClass/typeReference/nestedClassByTypeArgumentRefNoBody.kt

@@ -0,0 +1,4 @@
+// "Create class 'X'" "true"
+open class A<T>
+
+class B : A<B.<caret>X>()

idea/testData/quickfix/createFromUsage/createClass/typeReference/nestedClassByTypeArgumentRefNoBody.kt.after

@@ -0,0 +1,8 @@
+// "Create class 'X'" "true"
+open class A<T>
+
+class B : A<B.X>() {
+    class X {
+
+    }
+}

idea/testData/quickfix/createFromUsage/createClass/typeReference/nestedClassByTypeArgumentRefWithBody.kt

@@ -0,0 +1,6 @@
+// "Create class 'X'" "true"
+open class A<T>
+
+class B : A<B.<caret>X>() {
+
+}

idea/testData/quickfix/createFromUsage/createClass/typeReference/nestedClassByTypeArgumentRefWithBody.kt.after

@@ -0,0 +1,9 @@
+// "Create class 'X'" "true"
+open class A<T>
+
+class B : A<B.X>() {
+    class X {
+
+    }
+
+}