Fix tip error and kill bounty

[zoek1]

Description

1. Fix error on sending tips due to encoding error, no related to opera:
   
2. Fix kill bounty error:
   

Refers/Fixes

#5466

Testing

[codecov]

Codecov Report

Merging #5682 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5682      +/-   ##
==========================================
+ Coverage   30.09%   30.12%   +0.02%     
==========================================
  Files         249      249              
  Lines       21448    21447       -1     
  Branches     3110     3110              
==========================================
+ Hits         6454     6460       +6     
+ Misses      14718    14711       -7     
  Partials      276      276

Impacted Files	Coverage Δ
app/git/utils.py	39.76% <ø> (+0.09%)	⬆️
app/dashboard/embed.py	31.6% <0%> (+3.44%)	⬆️

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[thelostone-mc]

Hey @zoek1 ! So the conflicts have come in cause the files have been renamed split
I've ported over you code here #5936 and closing this out 🙌