[ProjectListItemControl] Fix Wrap Long Project Title

If the project has no tags, tag_container stays empty.
This must be taken into account when calculating tag_maxsize.

Author: CarrotOfPower

editor/project_manager/project_list.cpp

@@ -474,8 +474,12 @@ void ProjectListItemControl::resize_project_title() {
 
 		return;
 	}
-	ProjectTag tag = ProjectTag("dummy");
-	int tag_maxsize = tag.get_custom_maximum_size().x;
+
+	int tag_maxsize = 0;
+	if (tag_size_cache != 0) {
+		ProjectTag tag = ProjectTag("dummy");
+		tag_maxsize = tag.get_custom_maximum_size().x;
+	}
 	int title_maxsize = title_size_cache - tag_size_cache;
 	int title_minsize = title_size_cache - tag_maxsize;