[frontend] Limit retries when sse in error

[guillaumejparis]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 24.95%. Comparing base (fb55f98) to head (e09809c).

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #914   +/-   ##
=========================================
  Coverage     24.95%   24.95%           
  Complexity      962      962           
=========================================
  Files           469      469           
  Lines         10419    10419           
  Branches        500      500           
=========================================
  Hits           2600     2600           
  Misses         7758     7758           
  Partials         61       61           

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