bug fix to requested resource does not exist handling

[staticfinalzero]

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Bug fix to requested resource does not exist handling. We need to keep watch active for when resource is finally created so we can notify client.

This is to match the xDS spec for how to handle the "resource does not exist" scenario.

Open issue: https://github.com/envoyproxy/java-control-plane/issues/219

[codecov-commenter]

Codecov Report

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

Project coverage is 86.15%. Comparing base (eaca1a4) to head (272d28f). Report is 6 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #373      +/-   ##
============================================
- Coverage     86.16%   86.15%   -0.02%     
  Complexity      361      361              
============================================
  Files            42       42              
  Lines          1178     1177       -1     
  Branches         97       97              
============================================
- Hits           1015     1014       -1     
  Misses          116      116              
  Partials         47       47              

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[rulex123]

@staticfinalzero looks like you haven't signed off your commit and that causes CI to be red. Any chance you can fix?

[staticfinalzero]

Sorry about that, I've amended the commit and signed off.