Add a keyboard shortcut to toggle remote font blocking

[thermosflasche]

Prerequisites

• [X] I verified that this is not a filter list issue. Report any issues with filter lists or broken website functionality in the uAssets issue tracker.
• [X] This is NOT a YouTube, Facebook or Twitch report. These sites MUST be reported by clicking their respective links.
• [X] This is not a support issue or a question. For support, questions, or help, visit /r/uBlockOrigin.
• [X] I performed a cursory search of the issue tracker to avoid opening a duplicate issue.
• [X] The issue is not present after disabling uBO in the browser.
• [X] I checked the documentation to understand that the issue I am reporting is not normal behavior.

I tried to reproduce the issue when...

• [X] uBO is the only extension.
• [X] uBO uses default lists and settings.
• [X] using a new, unmodified browser profile.

Description

Similar to #3295, but more specific—it doesn't include the toggle-large-media shortcut proposed there.

uBO has a keyboard shortcut for toggling JavaScript for the actual browser tab. It would be useful to have a keyboard shortcut like that but for remote font blocking.

As a side note, just like #3295's author, this issue is carried by a personal need: I have remote fonts disabled by default, and choose to enable them on a per-website basis.

A specific URL where the issue occurs.

URLs whose remote fonts wish to be blocked.

Steps to Reproduce

1. Go to browser's shortcuts configuration (for instance, Firefox' Add-ons and Themes => Manage Extension Shortcuts).
2. Look for uBO's shortcuts.

Expected behavior

Find a shortcut for toggling remote font blocking.

Actual behavior

No such shortcut.

uBO version

1.59.0

Browser name and version

LibreWolf 129.0.1-1 (librewolf-bin from AUR)

Operating System and version

Artix Linux

[garry-ut99]

Similar to #3295, but more specific—it doesn't include the toggle-large-media shortcut proposed there.

Still qualifies as a duplicate of #3295, unless you want another person to come and to create another separate thread with same description and with the only difference that a request will be to create a shorcut for toggle-large-media only and not for remone-fonts, I think whoever wants either shortcut, should continue and express his opinion in #3295, instead of creating new variants/combinations of the original thread.

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By the way, I've also found another (the oldest) thread requesting a shortcut for remote-fonts:

• https://github.com/uBlockOrigin/uBlock-issues/discussions/2402