Synchronize Theatre video playback on initial World entry

### Build version
Not specified

### Issue Description
On first entering the Theatre World, scheduled video playback may begin at an incorrect position. A film scheduled for 14:00 UTC appeared to start around 14:50 UTC instead of resuming at the time-aligned point in the programme. Reloading Decentraland corrected the playback position.

### STR (Steps to Reproduce)
1. Join a Theatre World during a scheduled film.
2. Observe the video playback position immediately after entering.

### Expected Result
The video should be synchronized to the configured schedule when the World is first entered.

### Actual Result with evidence
The film appeared to start at its beginning at approximately 14:50 UTC despite its scheduled 14:00 UTC start. Reloading the client synchronized playback correctly. A screenshot was provided in the originating Slack report.

### Reproduction
Intermittent — observed once.

### Operative system and additional Notes
macOS. The Theatre configuration sheet is managed separately; this report concerns first-load playback synchronization in the client/World.

Reported by Maryna

Requested by Dawid Krajewski (<@U079GRD9WTZ>)