[Feature Request]: Larger search/URL bar

### Guidelines

- [X] I have searched the issue tracker for [open](https://github.com/FreeTubeApp/FreeTube/issues?q=is%3Aopen+is%3Aissue) and [closed](https://github.com/FreeTubeApp/FreeTube/issues?q=is%3Aissue+is%3Aclosed) issues that are similar to the feature request I want to file, without success.
- [X] I have searched the [documentation](https://docs.freetubeapp.io/) for information that matches the description of the feature request I want to file, without success.
- [X] This issue contains only one feature request.

### Problem Description

Space waste

### Proposed Solution

Make search/URL bar (top of window) larger when there is enough space.

### Alternatives Considered

only extend search bar when "Hide FreeTube Header Logo" is enabled

### Issue Labels

visual improvement

### Additional Information

There will be a lot of discussion ;)