if-then to safe access: report even if condition in parentheses #KT-26662 Fixed

idea/testData/inspectionsLocal/branched/ifThenToSafeAccess/conditionInParentheses.kt

@@ -0,0 +1,9 @@
+class Some {
+    fun bar() {}
+}
+
+fun Some?.foo() {
+    <caret>if (((this) != null)) {
+        bar()
+    }
+}

idea/testData/inspectionsLocal/branched/ifThenToSafeAccess/conditionInParentheses.kt.after

@@ -0,0 +1,7 @@
+class Some {
+    fun bar() {}
+}
+
+fun Some?.foo() {
+    this?.bar()
+}