Consolidate document browser actions

[allanlasser]

Closes #820 and #821

Renders same list of actions in document browser's "edit" menu and action sidebar. Removes "Run add-on" from the list of available actions.

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	31.03%	6674 / 21504
🔵	Statements	31.03%	6674 / 21504
🔵	Functions	49.54%	273 / 551
🔵	Branches	75.37%	1007 / 1336

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
src/lib/components/layouts/DocumentBrowser.svelte	0%	0%	0%	0%	1-2535
src/routes/(app)/documents/+page.svelte	0%	0%	0%	0%	1-58

Generated in workflow #710 for commit 01b03fd by the Vitest Coverage Report Action

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Lighthouse	1 paths audited Performance: 43 Accessibility: 85 Best Practices: 92 SEO: 91 PWA: - View the detailed breakdown and full score reports

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