* refactor file handling a tiny bit
* whoops
* make processing media / emoji defers a bit clear to see that it's the "on finished processing" path
* some wording
* add some debug logging
* add mutex locks for processing remote media
* try removing freshness check
* fix derefMedia not being allocated
* fix log format string
* handle case of empty file paths (i.e. not stored)
* remove media / emoji once finished processing from dereferencer maps
* whoops, fix the cached / force checks
* move url parsing outside of 'process___Safely()' funcs to prevalidate url
* use emoji.ShortcodeDomain()
* update RefreshEmoji() to also match RefreshMedia() changes
---------
Co-authored-by: tobi <tobi.smethurst@protonmail.com>
31294f7c78