fix: remove from state and do null parent_uid check

[1riatsila1]

Description

• remove resource from state when not found
• check for null parent uids

Related Issue(s)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (main@f0c6769). Learn more about missing BASE report.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #46   +/-   ##
=======================================
  Coverage        ?   37.58%           
=======================================
  Files           ?       58           
  Lines           ?     8448           
  Branches        ?        0           
=======================================
  Hits            ?     3175           
  Misses          ?     4983           
  Partials        ?      290           

Files with missing lines	Coverage Δ
...kg/config-api-provider/provider/resources/group.go	82.50% <100.00%> (ø)
...der/provider/resources/network_group_assignment.go	77.37% <100.00%> (ø)
...g/config-api-provider/provider/resources/sensor.go	86.23% <100.00%> (ø)
...g-api-provider/provider/resources/wired_network.go	85.39% <100.00%> (ø)
...pi-provider/provider/resources/wireless_network.go	85.39% <100.00%> (ø)