feat(buckets): upgrade abstract interfaces, switch chat to use SharedBucket class

[josephmcg]

What this PR does 📖

• improve RFM interface and create abstract Bucket class
  • PersonalBucket for personal, encrypted files
  • SharedBucket for unencrypted files such as profile picture, chat files
  • I considered combining them and adding various return types, but it seems sloppy. this has better type safety and will be easier to scale as the buckets diverge with more features
• remove legacy BucketManager
• add bucket path (id) to FileMessage payload. We were previously using file name for the path. However, if a new file with the same name is uploaded, it will overwrite the old file. using uuid for path will ensure this doesn't happen
• switch chat to use streamsaver for downloads rather than blobs
• move filesystem import into PersonalBucket init rather than account actions.ts

Which issue(s) this PR fixes 🔨
AP-1607

Special notes for reviewers 🗒️

• There is currently no index to keep track of your shared uploads, that will be a future ticket
• chat upload may behave strangely for large files still. that component needs additional updates, but I wanted to handle it separately. please ensure that small file uploads work in chat
• message component still keeps track of image blobs, but doesn't use them for download. will be ripped out in future update
• file save/download in chat will only work for newly uploaded files. previously uploaded files don't have id, so it won't be able to find the path

Additional comments 🎤

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[phillsatellite]

Tested and found some issues that I haven't been able to replicate on dev. I got stopped short from Solana but I'll continue once its back up

When in a chat, each user will have the same color profile avatar

Other issue was I'm not seeing replies or reaction appear on other users side. I thought this might be textile but I wasn't able to replicate it on dev branch

[josephmcg]

the avatar color was resolved in a separate PR, should be ok since Sara rebased this branch.
I'm not sure what's going on with the missing replies, I didn't alter anything that would affect those. I'll take a look once I'm able to test

[stavares843]

the missing replies seems just the textile listener issue getting inactive and not related to this