camel: dump application.properties + event notifier

[jknack]

• fix camel: dump application.conf properties into main bootstrap #3987
• fix camel: automatically discover org.apache.camel.spi.EventNotifier instances from service registry #3988

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.19%. Comparing base (f96aaf2) to head (959c5ac).

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #3989   +/-   ##
=========================================
  Coverage     94.18%   94.19%           
- Complexity     6654     6656    +2     
=========================================
  Files           432      432           
  Lines         20893    20893           
  Branches       2096     2096           
=========================================
+ Hits          19678    19680    +2     
+ Misses          759      758    -1     
+ Partials        456      455    -1     

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