safe delete: ensure not to delete call qualifier (IDEA-135727)

java/java-tests/testData/refactoring/safeDelete/NoDeepDeleteParameterUsedInCallQualifier.java

@@ -0,0 +1,9 @@
+class Clazz {
+  void callee(Clazz cl<caret>azz) {}
+}
+
+class User {
+  void caller(Clazz clazz) {
+    clazz.callee(clazz);
+  }
+}

java/java-tests/testData/refactoring/safeDelete/NoDeepDeleteParameterUsedInCallQualifier_after.java

@@ -0,0 +1,9 @@
+class Clazz {
+  void callee() {}
+}
+
+class User {
+  void caller(Clazz clazz) {
+    clazz.callee();
+  }
+}