media description authoring v3

check !1160 (closed) , adds image description setting, I posted screenshots in that MR too lazy to copy over

+ many other changes fixing lingering problems with attachments:

• you can now expand images in the uploads section (uses attachment component now instead of reimplementing the same crap)
• videos aren't cropped awkwardly in the uploads section anymore
• the placeholder links like [IMAGE] etc have been replaced with icon + description
• fixed bugs with placeholder links trying to open non-images/videos in modals
• added ability to play audio in modal when you have attachments disabled
• videos and audio have proper alt/title for descriptions

added 1 commit

• a09709f7 - update changelog with media-descriptions and the fixes

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added 1 commit

• 0ca3a6e6 - fix gallery-videos being weirdly offset

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added 4 commits

• 0ca3a6e6...beb160bd - 3 commits from branch develop
• c0fb35b1 - Merge branch 'develop' into 'xenofem/pleroma-fe-rebased-image-description-authoring'

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anyone wanna take a look at this so that other work can be done with poststatusform without conflicts? @hj @lambadalambda

added 2 commits

• b8ed904c - change px to em
• 150516df - Merge branch 'xenofem/pleroma-fe-rebased-image-description-authoring' of...

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doesn't seem to work for me. I enter description, it's being sent:

-----------------------------144184893912142602491022628126
Content-Disposition: form-data; name="media_ids[]"

40097808
-----------------------------144184893912142602491022628126
Content-Disposition: form-data; name="descriptions"

{"40097808":"benis"}
-----------------------------144184893912142602491022628126--

but resulting post still has filename as description

slightly related: clicking "unknown" files still opens up media viewer

i'd use some generic file/document icon for unknown types, link just looks confusing

resolved all threads

otherwise, codewise lgtm

mentioned in issue pleroma#1919 (closed)

added 29 commits

• 150516df...b761bcf3 - 27 commits from branch develop
• 4d25be7c - fix modal types check being broken
• 87b5f828 - fix conflicts, use file icon instead of link, add support for audio and file icon in cw'd posts

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added 1 commit

• d55c09df - fix edge case of videos and unknown files together

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added 19 commits

• d55c09df...9ccc6174 - 16 commits from branch develop
• b4709f93 - add more ways to set description
• f4bdbf76 - remove unnecessary code
• e3991db5 - fix conflicts and add error handling to media descriptions

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added 1 commit

• 84d728b9 - fix issue on posting another status

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resolved all threads