* Exclude default homepage data at compile time
The youtuber IDs alone is pretty huge, and is unused in the `CUSTOM_HOMEPAGE=true` configuration.
* Remove Desktop items and other cleanup
- Moved constants out of the component.
- Remove SIMPLE_SITE check.
- Remove Desktop-only items
* Sidebar: limit subscription and tag section
## Issue
Too slow for huge lists
## Change
Limit to 10 initially, and load everything on "Show more"
* Fix makeSelectThumbnailForUri
- Fix memo
- Expose function to extract directly from claim if client already have it.
* Fix Floating Player stopping on certain files
* Dont show additional player buttons from markdown and comments
* Fix markdown resizing for the same video playing
* Update changelog
## Issue
- Redo 5636: Disable video previews in comments/posts made by channels below a certain channel staked level
- Closes 5738: expand video preview level requierment to markdown images also
