Do not generate fields for unused suspend lambda parameters

This also allows us to not spill them in the lambda.
But, disable this optimization for local named functions.

 #KT-16222 In progress

compiler/testData/checkLocalVariablesTable/parametersInSuspendLambda/parameters.kt

@@ -3,7 +3,7 @@ data class Data(val x: String, val y: Int, val z: Int = 0)
 
 suspend fun test() {
     foo(Data("A", 1)) { str, (x, _, z), i ->
-
+        println(str + x + z + i + this)
     }
 }