Remove Right Part of Binary Expression Quick-Fix: Split to separate quick fixes for cast- and elvis-expressions

idea/idea-core/src/org/jetbrains/kotlin/idea/core/psiModificationUtils.kt

@@ -201,4 +201,10 @@ fun KtParameter.dropDefaultValue() {
     val from = equalsToken ?: return
     val to = defaultValue ?: from
     deleteChildRange(from, to)
+}
+
+fun dropEnclosingParenthesesIfPossible(expression: KtExpression): KtExpression {
+    val parent = expression.parent as? KtParenthesizedExpression ?: return expression
+    if (!KtPsiUtil.areParenthesesUseless(parent)) return expression
+    return parent.replaced(expression)
 }