Feature/batch chapter download (#191)

* Add NavbarToolbar component for rendering items in toolbar through portal

* Refactor Manga screen, move chapters filtering to toolbar menu, cleanup ChapterOptions

* Fix warning

* Update layout of ChapterList and add selection for chapters, add batch download, move stuff around

* Add space to bookmark icon

* Clear actions when leaving source mangas page

* Move bookmark icon back inline and align it correctly with text

* Fixup MangaDetails buttons to update cache properly so buttons in manga menu are updated

* Move chapters filter to ChapterList

* Fixup error display overlapping with loaded content when revalidation fails

* Fixup spacing around ChapterList title

* Only show small progress if manga is loaded so there is not to many spinners

* Prevent title wrapping

* Add icon buttons to desktop sizes of manga toolbar menu