[Stable] Ver 2.3.7b Fixed an OSC reception issue

[h2]Title[/h2]
[h3]Changes[/h3]

• The label of the [Use TCP connection] checkbox has been changed to [Use TCP in studios].
  

[h2]Studio[/h2]
[h3]Bug fixes[/h3]

• Fixed an issue in Studio where non-stereoscopic mirrors were not correctly drawn.
  
• Fixed an issue where the connection to niconico live was disconnected under a certain condition.
  

[h2]Room[/h2]
[h3]Bug fixes[/h3]

• In rooms, a timeout error is now displayed when VCI downloading takes too long.
  

[h2]VCI[/h2]
[h3]New features[/h3]

• Added API vci.osc.UnregisterMethod to unregister functions registered with vci.osc.RegisterMethod.
  

[h3]Bug fixes[/h3]

• Fixed an issue where OSC reception fails to start after entering/exiting a studio/room several times.