Add ability to use filter/search bar in all views

Currently the search(filter bar does nothing in any view other than the Timings view. It would be really cool if the filter would

- [ ] filter specific worlds, entities or tile entities in the Regions tab
- [ ] filter config keys in the Config tab
- [ ] filter plugins/plugin timings like in the Timings view in the Plugins tab (I guess this could be done already by switching to the Timings and searching for the plugin)