Move Presence to Document

[hackerwins]

What this PR does / why we need it:

Move Presence from Client to Document

UpdatePresence

The UpdatePresence API has been removed, and the document and presence changes are now sent through the PushPull API. As a result, the presence is no longer passed as part of the Client but instead included within the change. The changePack now includes the presence.

• as-is

• to-be

WatchDocument

In the WatchDocument API, the request and response only include the client ID without the presence.

Which issue(s) this PR fixes:

Address #442

Special notes for your reviewer:

This PR is one of the separations from #542.

Does this PR introduce a user-facing change?:

- The UpdatePresence API has been removed.
- Presence changes are now sent through the PushPull API, so the Change includes presence information and the ChangePack includes the snapshotPresence.
- In the WatchDocument API's request and response, only the client ID is passed without the presence.

Additional documentation:

Checklist:

• Added relevant tests or not required
• Didn't break anything

[codecov]

Codecov Report

Merging #577 (bccd61c) into main (2b15ac5) will decrease coverage by 0.33%.
The diff coverage is 29.32%.

@@            Coverage Diff             @@
##             main     #577      +/-   ##
==========================================
- Coverage   51.50%   51.17%   -0.33%     
==========================================
  Files          67       66       -1     
  Lines        6932     7006      +74     
==========================================
+ Hits         3570     3585      +15     
- Misses       2891     2947      +56     
- Partials      471      474       +3     

Impacted Files	Coverage Δ
api/converter/from_bytes.go	53.17% <0.00%> (-2.73%)	⬇️
api/converter/to_bytes.go	64.07% <0.00%> (-8.23%)	⬇️
client/options.go	13.33% <0.00%> (-24.17%)	⬇️
pkg/document/change/change.go	0.00% <0.00%> (ø)
pkg/document/change/checkpoint.go	92.00% <ø> (ø)
pkg/document/change/context.go	0.00% <0.00%> (ø)
server/rpc/admin_server.go	53.97% <0.00%> (ø)
client/client.go	13.66% <5.45%> (-1.67%)	⬇️
pkg/document/internal_document.go	17.20% <14.28%> (-4.47%)	⬇️
server/backend/database/change_info.go	21.05% <20.00%> (-3.09%)	⬇️
... and 9 more