v0.5.6 - cookie consent unblock, performance fixes, xosms media control

• Fixed Settings Dialog Scrolling & added more info
• XOSMS Added (Media Control, Experimental)
• Cookie Consent Page Fix
• initial i18n update
• fixed first startup freeze, disabled chrome sandbox (faster & only temporarily until chromium devs fixed gpu freeze issues)

Full Changelog: https://github.com/Venipa/ytmdesktop2/compare/v0.5.5...v0.5.6