Fix search input shortcut

[vallode]

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Fix search input shortcut

Pull Request Type

• Feature Implementation

Related issue
Partially addresses #2138
Closes #1463

Description
Adds a keyboard shortcut for focusing the search bar.

Desktop (please complete the following information):

• OS: [e.g. iOS] Debian
• OS Version: [e.g. 22] 11
• FreeTube version: [e.g. 0.8] v0.15.0 Beta

Additional context
I think we should think about adding styling for the focused state of inputs, currently it's not obvious when an input is focused due to the lack of visual changes.

[PrestonN]

Please see my comment from here. Please change the shortcut to Alt + D and then I will merge this.

[efb4f5ff-1298-471a-8973-3d47447115dc]

LGTM!

[absidue]

Would you be opposed to adding a second shortcut for focusing the search/navigation field? If you are alright with it I would like to see CTRL + L / COMMAND + L (on macOS) added, as that's what web browsers use to focus their multiple purpose search field. Personally I feel like it would be more fitting than ALT + D as the search/navigation field in FreeTube is more than just a search field, just like the one in web browsers.

[PrestonN]

@absidue Alt + D is also used in browsers for focusing the search bar, which is why we settled on that for the command that we use. I'm open to including Ctrl + L as well however for consistency. If you or anyone else would like to submit a PR for it then I will happily merge it.

[PrestonN]

LGTM. Thank you!