[backend] only kill session in sseMiddleware for auth bearer sessions (#9216)

[JeremyCloarec]

Proposed changes

• killing all sessions was making it it so local user were being disconnected if they tried accessing a closed stream

Related issues

• Clicking on a stopped live stream logout from the platform #9216

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[labo-flg]

tested ok with opening a stopped stream ; I'm not logged out.

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 66.18%. Comparing base (98505a2) to head (9c336c8).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
...tform/opencti-graphql/src/graphql/sseMiddleware.js	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9708      +/-   ##
==========================================
+ Coverage   65.23%   66.18%   +0.94%     
==========================================
  Files         630      630              
  Lines       60273    60408     +135     
  Branches     6762     7299     +537     
==========================================
+ Hits        39320    39981     +661     
+ Misses      20953    20427     -526     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.