Code Insight: Format generated declarations

#KT-11176 Fixed
(cherry picked from commit 3641ad6)

idea/testData/codeInsight/generate/equalsWithHashCode/genericClassWithIsCheck.kt.after

@@ -4,7 +4,7 @@ class A<T>(val n: T) {
 
     }
 
-    <caret>override fun equals(other: Any?): Boolean{
+    <caret>override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other !is A<*>) return false
 
@@ -13,7 +13,7 @@ class A<T>(val n: T) {
         return true
     }
 
-    override fun hashCode(): Int{
+    override fun hashCode(): Int {
         return n?.hashCode() ?: 0
     }
 }