fix: Fixes outgoing calls and not live rooms.

[damencho]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 13.33333% with 26 lines in your changes missing coverage. Please review.

Project coverage is 19.23%. Comparing base (03d83b3) to head (940d4fc).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...org/jitsi/jigasi/xmpp/CallControlMucActivator.java	0.00%	10 Missing ⚠️
.../main/java/org/jitsi/jigasi/SipGatewaySession.java	18.18%	7 Missing and 2 partials ⚠️
.../java/org/jitsi/jigasi/AbstractGatewaySession.java	0.00%	7 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #604      +/-   ##
============================================
- Coverage     19.24%   19.23%   -0.02%     
- Complexity      309      310       +1     
============================================
  Files            83       83              
  Lines          7143     7168      +25     
  Branches        944      951       +7     
============================================
+ Hits           1375     1379       +4     
- Misses         5541     5561      +20     
- Partials        227      228       +1     

Files with missing lines	Coverage Δ
...rc/main/java/org/jitsi/jigasi/AbstractGateway.java	65.16% <100.00%> (-2.28%)	⬇️
.../java/org/jitsi/jigasi/AbstractGatewaySession.java	57.14% <0.00%> (-5.36%)	⬇️
.../main/java/org/jitsi/jigasi/SipGatewaySession.java	44.61% <18.18%> (-0.79%)	⬇️
...org/jitsi/jigasi/xmpp/CallControlMucActivator.java	11.91% <0.00%> (-0.27%)	⬇️

... and 2 files with indirect coverage changes

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[bgrozev]

Maybe add a log message when room==null, in case it happens unexpectedly?