jak2: focus-test? macro, fix (zero? (logand ...)) -> (not (logtest? ...)) detection (#2321)

There are *a lot* of file changes and while I have carefully gone
through every gsrc change to fix up manual patches, there might still be
spots that I missed.

decompiler/IR2/Form.cpp

@@ -1877,6 +1877,8 @@ std::string fixed_operator_to_string(FixedOperatorKind kind) {
       return "vector-length";
     case FixedOperatorKind::VECTOR_PLUS_FLOAT_TIMES:
       return "vector+float*!";
+    case FixedOperatorKind::FOCUS_TEST:
+      return "focus-test?";
     default:
       ASSERT(false);
       return "";