Surround with null check for unsafe things: find first parent statement to surround (which is not used as expression) #KT-13958 Fixed

idea/testData/quickfix/surroundWithNullCheck/nullableInCondition.kt

@@ -0,0 +1,8 @@
+// "Surround with null check" "true"
+// WITH_RUNTIME
+
+fun foz(arg: String?) {
+    if (arg<caret>.isNotEmpty()) {
+
+    }
+}

idea/testData/quickfix/surroundWithNullCheck/nullableInCondition.kt.after

@@ -0,0 +1,10 @@
+// "Surround with null check" "true"
+// WITH_RUNTIME
+
+fun foz(arg: String?) {
+    if (arg != null) {
+        if (arg.isNotEmpty()) {
+
+        }
+    }
+}

idea/testData/quickfix/surroundWithNullCheck/unsafeCallInsideAnonymous.kt

@@ -1,11 +1,5 @@
-// "Surround with null check" "false"
+// "Surround with null check" "true"
 // WITH_RUNTIME
-// ACTION: Add 'block =' to argument
-// ACTION: Add non-null asserted (!!) call
-// ACTION: Convert to block body
-// ACTION: Introduce local variable
-// ACTION: Replace with safe (?.) call
-// ERROR: Only safe (?.) or non-null asserted (!!.) calls are allowed on a nullable receiver of type Int?
 
 fun foo(arg: Int?) {
     run(fun() = arg<caret>.hashCode())

idea/testData/quickfix/surroundWithNullCheck/unsafeCallInsideAnonymous.kt.after

@@ -0,0 +1,8 @@
+// "Surround with null check" "true"
+// WITH_RUNTIME
+
+fun foo(arg: Int?) {
+    if (arg != null) {
+        run(fun() = arg.hashCode())
+    }
+}