[Backport 2.x] Revert datasource state when delete fails

[opensearch-trigger-bot]

Backport f4514c1 from #382

[codecov]

Codecov Report

Merging #384 (14aa8f9) into 2.x (7a80ae0) will decrease coverage by 0.09%.
Report is 1 commits behind head on 2.x.
The diff coverage is 87.50%.

@@             Coverage Diff              @@
##                2.x     #384      +/-   ##
============================================
- Coverage     88.60%   88.52%   -0.09%     
+ Complexity      753      750       -3     
============================================
  Files            92       92              
  Lines          2711     2718       +7     
  Branches        220      221       +1     
============================================
+ Hits           2402     2406       +4     
  Misses          230      230              
- Partials         79       82       +3     

Files Changed	Coverage Δ
...ip2geo/action/DeleteDatasourceTransportAction.java	86.53% <87.50%> (-0.13%)	⬇️

... and 3 files with indirect coverage changes