fix: make websocket plugin compatible with new plugin api

[exreplay]

No description provided.

[codecov]

Codecov Report

Merging #173 into development will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           development     #173   +/-   ##
============================================
  Coverage        98.96%   98.96%           
============================================
  Files               20       20           
  Lines              194      194           
  Branches            24       24           
============================================
  Hits               192      192           
  Misses               1        1           
  Partials             1        1

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