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/indexedGetWithNotEnoughArgs.txt

@@ -13,19 +13,22 @@ KtErrorCallInfo:
           symbol = /C.get(<dispatch receiver>: C, a: kotlin.Int, b: kotlin.String): kotlin.Boolean
           valueParameters = [
             KtVariableLikeSignature:
+              name = a
               receiverType = null
               returnType = kotlin.Int
               symbol = a: kotlin.Int,
             KtVariableLikeSignature:
+              name = b
               receiverType = null
               returnType = kotlin.String
               symbol = b: kotlin.String
           ]
       argumentMapping = {
         1 -> (KtVariableLikeSignature:
+          name = a
           receiverType = null
           returnType = kotlin.Int
           symbol = a: kotlin.Int)
       }
   ]
-  diagnostic = ERROR<NO_VALUE_FOR_PARAMETER: No value passed for parameter 'b'>
+  diagnostic = ERROR<NO_VALUE_FOR_PARAMETER: No value passed for parameter 'b'>