## Why
The playing URI was being cleared every time we leave the File Page, I believe to prevent the floating from continue playing outside of the File Page.
## Approach
Close FileRenderMobile by checking playingUri/primaryURI instead.
For the case of livestreams, just display it.
- Marked optional props properly.
- Re-ordered to make it easier to differentiate "props used in jsx" vs. "from redux".
Separated the commit to make the upcoming diffs easier to read.
Code-splits the module into "dnd.js", reducing the ui.js bundle size. This module is only needed when viewing lists.
## Room for improvement
`ClaimList` can probably improve further by only using the dnd components in "edit" mode.
## Implementation notes
- The modules are not default exports, so the additional chaining to `React.lazy` was required.
- Experimenting with using an Object to store the import so that a single "prettier-ignore" can be used to make it not wrap.
- The FlowFixMe came from the original code. It is unclear why it is needed to resolve the module, but Haffa mentioned it's something related to .flowconfig.
## Ticket
852 Markdown inline images in comments don't work for any channel level
## Change
The prior commit simplified the props from individual comment fields to just 1 `Comment` object, but there was a typo in the parameter where it should be `channel_url` instead of `author_uri`.
- The previous 2MB was a CDN limit (more of a mistake). That has been increased to a far greater number, so we're setting a more reasonable 5MB limit.
- The previous code checks/shows the "size exceeded" message after the file has been uploaded ... in the `catch` block. This will not work since the CDN now allows a 5MB file.
- Fixed by checking the size before actually uploading.
## Issue
When pressing "Done", it will call the upload function, which usually results in a "please select a file" error, or the file being uploaded if a file was selected prior to switching to "Use Url".
