Missing/Cleanup Services

Following what has been done in #5858, there is some cleanup to do in our Services API. The SDK should provide a high level and grouped API by functionality. Some new functionalities have been added without really following this rule.

What is missing, at a **Session** level:
- [x] A **SyncService**. Move some methods that are defined directly to the `Session`. There is a clash name with an existing `SyncService` :/. Not sure how to handle that, if we can keep 2 things with the same name (not ideal) or rename some.

What is missing, at a **Room** level:
- [ ] A **PollService**, to be able to create poll, vote, edit, and close a poll
- [x] A **LocationSharingService**, to be able to send a static location, start a live location sharing, send location during a live location sharing, and stop a live location sharing. Today the app has to send state event and location event, this not high level enough
- [ ] An **EditionService**, to be able to edit any Event. Could also include the redaction of an Event. Also the API `editTextMessage` and other similar API are taking a `TimelineEvent` as a parameter, I think it could be better if an `eventId` is used instead. The SDK can get the `TimelineEvent` from the `eventId` if necessary (using **TimelineEventDataSource**)
- [ ] Clarify **ThreadsLocalService** and **ThreadsService** and maybe merge them together and let the SDK do its best depending on the server capability?
- [ ] Other ?

This issue is just a matter of reorganize our API, no new code should be necessary.

Better to handle it when #5858 has been merged.