Enable object decoding when serializing binary project settings

(cherry picked from commit 1f54b11da6a0f3e7913557d91048e7fac8377fa9)

core/project_settings.cpp

@@ -501,7 +501,7 @@ Error ProjectSettings::_load_settings_binary(const String p_path) {
 		d.resize(vlen);
 		f->get_buffer(d.ptrw(), vlen);
 		Variant value;
-		err = decode_variant(value, d.ptr(), d.size(), NULL, false);
+		err = decode_variant(value, d.ptr(), d.size(), NULL, true);
 		ERR_EXPLAIN("Error decoding property: " + key);
 		ERR_CONTINUE(err != OK);
 		set(key, value);
@@ -694,7 +694,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 			file->store_string(key);
 
 			int len;
-			err = encode_variant(value, NULL, len, false);
+			err = encode_variant(value, NULL, len, true);
 			if (err != OK)
 				memdelete(file);
 			ERR_FAIL_COND_V(err != OK, ERR_INVALID_DATA);
@@ -702,7 +702,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 			Vector<uint8_t> buff;
 			buff.resize(len);
 
-			err = encode_variant(value, buff.ptrw(), len, false);
+			err = encode_variant(value, buff.ptrw(), len, true);
 			if (err != OK)
 				memdelete(file);
 			ERR_FAIL_COND_V(err != OK, ERR_INVALID_DATA);