invert if: preserve parenthesis when not safe to delete (IDEA-107783)

java/java-tests/testData/codeInsight/invertIfCondition/afterParenthesis.java

@@ -0,0 +1,10 @@
+// "Invert If Condition" "true"
+class A {
+    public boolean foo(boolean a, boolean b, boolean c, boolean d) {
+
+        if ((a || b) && !c && !d) {
+            return true;
+        }
+        return false;
+    }
+}

java/java-tests/testData/codeInsight/invertIfCondition/beforeParenthesis.java

@@ -0,0 +1,9 @@
+// "Invert If Condition" "true"
+class A {
+    public boolean foo(boolean a, boolean b, boolean c, boolean d) {
+
+      if (!(a |<caret>| b) || c || d)
+        return false;
+      return true;
+    }
+}