Fixed post breach file upload bug

[VakarisZ]

What is this?

Fixed a bug where PBA file upload shows that file didn't get uploaded (PBA file path mixup).

[codecov]

Codecov Report

Merging #784 into develop will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop     #784   +/-   ##
========================================
  Coverage    60.31%   60.32%           
========================================
  Files          161      161           
  Lines         4899     4900    +1     
========================================
+ Hits          2955     2956    +1     
  Misses        1944     1944           

Impacted Files	Coverage Δ
...key/monkey_island/cc/services/post_breach_files.py	41.93% <100.00%> (+1.93%)	⬆️

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