avoids issues with model caching being incompatible across versions

Performs some baseline tweaks to the mastodon application scss that are
shared between all the cybrespace themes

and produces cleaner output

Increase the cybre.space profile bio text length limit to 413
characters. Also modifies the account settings page to automatically
resize the textbox to the size of the contained text, so that it's
easier to type longer bios.

Differentiate twitter mentions from normal mentions

An alternative locale that replaces "toot" with "ping", "favorite" with
"florp", and "boost" with "relay", as well as a few other miscellaneous
changes. Also includes alternate settings that make the en-CY locale
default instead of en-US, and fixes the timestamps.

The clickable div is positioned under the account avatar and covers
all empty space below it to the end of the status.

* Fix typo in light theme

* Fix background color of empty column

* Change icon and label depending on whether media is marked as sensitive

* WiP use a checkbox

* Add distinction between hover and active/focus states
* Resolves #10198

* Fix "nothing here" text color of high contrast

* Fix counter border color of high contrast

* I18n: Update Czech translation

* Tiny fix