2.9.4

Change list:

• Remove metadata cache when start and change wot reload method.
• Add support to sync user's local events to relays .
• Change some group chat page ui .
• Move Group Chat to chat list .
• Fix some remote signer bug .
• Add support to send long form .
• Change Long Form decode package .
• Add a json viewer to event json copy .
• Fix sometimes android image save fail bug .
• Trace router query add tempRelays support .
• Change video component width check method .
• Fix sometimes back button will exist app bug .