check param, result, type param of function in redefines-builtin-id rule (#1023)

* check param, result, type param of function in redefines-builtin-id rule

* combine the if statements

* tiny refactoring to make it more Go idiomatic

---------

Co-authored-by: chavacava <salvadorcavadini+github@gmail.com>

testdata/redefines-builtin-id.go

@@ -41,3 +41,14 @@ func foo() {
 	_ = max
 	_ = min
 }
+
+func foo1(new int) { // MATCH /redefinition of the built-in function new/
+	_ = new
+}
+
+func foo2() (new int) { // MATCH /redefinition of the built-in function new/
+	return
+}
+
+func foo3[new any]() { // MATCH /redefinition of the built-in function new/
+}