Add "Add getter/setter" quick fix for uninitialized property

#KT-30078 Fixed

idea/testData/quickfix/addPropertyAccessors/val.kt

@@ -0,0 +1,5 @@
+// "Add getter" "true"
+// WITH_RUNTIME
+class Test {
+    val x: Int<caret>
+}

idea/testData/quickfix/addPropertyAccessors/val.kt.after

@@ -0,0 +1,8 @@
+// "Add getter" "true"
+// WITH_RUNTIME
+class Test {
+    val x: Int
+        get() {
+            <caret>TODO()
+        }
+}

idea/testData/quickfix/addPropertyAccessors/var.kt

@@ -0,0 +1,5 @@
+// "Add getter and setter" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Int<caret>
+}

idea/testData/quickfix/addPropertyAccessors/var.kt.after

@@ -0,0 +1,9 @@
+// "Add getter and setter" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Int
+        get() {
+            <caret>TODO()
+        }
+        set(value) {}
+}

idea/testData/quickfix/addPropertyAccessors/varHasGetter.kt

@@ -0,0 +1,7 @@
+// "Add setter" "true"
+class Test {
+    var x: Int<caret>
+        get() {
+            return 1
+        }
+}

idea/testData/quickfix/addPropertyAccessors/varHasGetter.kt.after

@@ -0,0 +1,8 @@
+// "Add setter" "true"
+class Test {
+    var x: Int
+        get() {
+            return 1
+        }
+        set(value) {<caret>}
+}

idea/testData/quickfix/addPropertyAccessors/varHasSetter.kt

@@ -0,0 +1,6 @@
+// "Add getter" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Int<caret>
+        set(value) {}
+}

idea/testData/quickfix/addPropertyAccessors/varHasSetter.kt.after

@@ -0,0 +1,9 @@
+// "Add getter" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Int
+        get() {
+            <caret>TODO()
+        }
+        set(value) {}
+}