Fix fee calculation

[matias-gonz]

Add remaining gas to InvokeFunction execute call

[codecov-commenter]

Codecov Report

Merging #709 (4b4e89e) into main (5dd7642) will increase coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head 4b4e89e differs from pull request most recent head 99616a3. Consider uploading reports for the commit 99616a3 to get more accurate results

@@            Coverage Diff             @@
##             main     #709      +/-   ##
==========================================
+ Coverage   92.36%   92.39%   +0.02%     
==========================================
  Files          52       52              
  Lines       11792    11819      +27     
==========================================
+ Hits        10892    10920      +28     
+ Misses        900      899       -1     

Impacted Files	Coverage Δ
src/execution/execution_entry_point.rs	97.35% <100.00%> (ø)
src/lib.rs	98.56% <100.00%> (+0.05%)	⬆️
src/runner/mod.rs	80.97% <100.00%> (ø)
src/testing/mod.rs	100.00% <100.00%> (ø)
src/transaction/fee.rs	98.76% <100.00%> (ø)
src/transaction/mod.rs	88.09% <100.00%> (ø)

... and 2 files with indirect coverage changes