fix: Do not send invoice if amount < minimum

[iamareebjamal]

No description provided.

[codecov]

Codecov Report

Merging #7472 (1d33364) into development (f0672e6) will decrease coverage by 0.00%.
The diff coverage is 50.00%.

@@               Coverage Diff               @@
##           development    #7472      +/-   ##
===============================================
- Coverage        65.38%   65.38%   -0.01%     
===============================================
  Files              265      265              
  Lines            13252    13256       +4     
===============================================
+ Hits              8665     8667       +2     
- Misses            4587     4589       +2     

Impacted Files	Coverage Δ
app/models/event_invoice.py	91.42% <50.00%> (-1.65%)	⬇️

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