FIR checkers: report specific errors instead of INAPPLICABLE_CANDIDATE

Specifically, the report the following 4 errors.

* NON_VARARG_SPREAD
* ARGUMENT_PASSED_TWICE
* TOO_MANY_ARGUMENTS
* NO_VALUE_FOR_PARAMETER

Also added/updated the following position strategies.
* NAME_OF_NAMED_ARGUMENT
* VALUE_ARGUMENTS

compiler/testData/diagnostics/tests/varargs/NullableTypeForVarargArgument.fir.kt

@@ -32,7 +32,7 @@ fun getArr(): Array<String>? = null
 fun f() {
     A().foo(1, *args)
     <!INAPPLICABLE_CANDIDATE!>bar<!>(2, *args)
-    <!INAPPLICABLE_CANDIDATE!>baz<!>(*args)
+    baz(<!NON_VARARG_SPREAD!>*<!>args)
 }
 
 fun g(args: Array<String>?) {
@@ -56,7 +56,7 @@ fun h(b: B) {
 fun k() {
     A().foo(1, *getArr())
     <!INAPPLICABLE_CANDIDATE!>bar<!>(2, *getArr())
-    <!INAPPLICABLE_CANDIDATE!>baz<!>(*getArr())
+    baz(<!NON_VARARG_SPREAD!>*<!>getArr())
 }
 
 fun invokeTest(goodArgs: Array<String>) {