[FIR IDE] LC Fixed incorrect JvmOverloads

compiler/testData/asJava/lightClasses/nullabilityAnnotations/JvmOverloads.kt

@@ -6,3 +6,5 @@ class C {
         return "a"
     }
 }
+
+// FIR_COMPARISON

compiler/testData/asJava/lightClasses/nullabilityAnnotations/Trait.kt

@@ -17,4 +17,6 @@ interface Trait {
     var nullableVar: String?
     val notNullVal: String
     var notNullVar: String
-}
+}
+
+// FIR_COMPARISON

idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/asJava/classes/firLightClassUtils.kt

@@ -133,7 +133,7 @@ internal fun FirLightClassBase.createMethods(
                                 containingClass = this@createMethods,
                                 isTopLevel = isTopLevel,
                                 methodIndex = methodIndex++,
-                                argumentsSkipMask = skipMask
+                                argumentsSkipMask = skipMask.clone() as BitSet
                             )
                         )
                     }