a prerequisite to implementing other cross-account actions

- updated toggles in Appearance, Display, Extra, and Impressions settings to use (updated) icons
- update custom post phrase dialog inputs to use defaultValue so editing is easier
- move around some settings
- automatically reload the app when toggling the declaration of default app labelers

- revert Moderation label back to Moderation and content filters
- give Runes a new icon and move it to replace Help link
- move Source code link to About page
- move OpenRouter configuration to the Accessibility settings screen (and update that screen's useLingui usage)

woaw pnpm tho

ALSO fix: don't include a facet field if it is empty!!

also revert 7753fdafc171ed2f4d28023df24205c698b186d6 and 5d662082605f109391bebeb649a2f958aeefb120

Co-authored-by: Claude <noreply@anthropic.com>

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: DS Boyce <260543580+ds-boyce@users.noreply.github.com>
Co-authored-by: Eric Bailey <git@esb.lol>

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Co-authored-by: Eric Bailey <git@esb.lol>

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

Co-authored-by: Eric Bailey <git@esb.lol>

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

Co-authored-by: Claude <noreply@anthropic.com>

Co-authored-by: Samuel Newman <mozzius@protonmail.com>