KT-50862 Add name property to KtSignature

See the KDoc of the property for the reasons why
it was created

analysis/analysis-api/testData/components/callResolver/resolveCall/samConstructorCall.txt

@@ -10,13 +10,15 @@ KtSuccessCallInfo:
         symbol = java/util/Comparator(function: kotlin.Function2<ft<T, T?>, ft<T, T?>, kotlin.Int>): java.util.Comparator<T>
         valueParameters = [
           KtVariableLikeSignature:
+            name = function
             receiverType = null
             returnType = kotlin.Function2<ft<kotlin.Int, kotlin.Int?>, ft<kotlin.Int, kotlin.Int?>, kotlin.Int>
             symbol = function: kotlin.Function2<ft<T, T?>, ft<T, T?>, kotlin.Int>
         ]
     argumentMapping = {
       {x: Int, y: Int -> 1} -> (KtVariableLikeSignature:
+        name = function
         receiverType = null
         returnType = kotlin.Function2<ft<kotlin.Int, kotlin.Int?>, ft<kotlin.Int, kotlin.Int?>, kotlin.Int>
         symbol = function: kotlin.Function2<ft<T, T?>, ft<T, T?>, kotlin.Int>)
-    }
+    }