Optimize user list sync bandwidth and performance

[dyc3]

• refactor how the user list is synced to save bandwidth
• fix you server message not being handled
• update log to be more severe
• make users store namespaced
• make sure grants get synced
• fix lints
• update component tests
• fix some e2e tests

closes #882

[cypress]

Passing run #235 ↗︎

0

68

0

1

0

Details:

Merge 8ef3103 into f8e1da4...
Project: OpenTogetherTube	Commit: 60e0a94ab4 ℹ️
Status: Passed	Duration: 03:29 💡
Started: Jun 8, 2023 5:29 PM	Ended: Jun 8, 2023 5:33 PM

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[codecov]

Codecov Report

Merging #902 (8ef3103) into master (f8e1da4) will decrease coverage by 0.1198%.
The diff coverage is 35.0000%.

@@               Coverage Diff                @@
##             master       #902        +/-   ##
================================================
- Coverage   60.2265%   60.1068%   -0.1198%     
================================================
  Files            89         89                
  Lines          9886       9919        +33     
  Branches        952        947         -5     
================================================
+ Hits           5954       5962         +8     
- Misses         3932       3957        +25     

Impacted Files	Coverage Δ
client/src/components/ServerMessageHandler.vue	33.3333% <0.0000%> (-2.3810%)	⬇️
client/src/plugins/connection.ts	37.9085% <0.0000%> (ø)
client/src/store.ts	100.0000% <ø> (ø)
server/room.ts	51.9148% <10.0000%> (-0.2900%)	⬇️
server/clientmanager.ts	24.3801% <37.5000%> (+0.9674%)	⬆️
client/src/stores/users.ts	44.6808% <38.0000%> (-13.2139%)	⬇️
client/src/components/RoomSettingsForm.vue	54.6762% <66.6666%> (-0.1974%)	⬇️
client/src/util/grants.ts	85.7142% <66.6666%> (ø)
client/src/views/Room.vue	50.7497% <100.0000%> (ø)