Updated flixkit version, Added processing to create contract dependency structure for flix generation

[bthaile]

Updated version of flixkit, update processing state to create contract dependencies structure for flix generation

Description

Noticed when generating flix for staging contracts that there was an issue creating all contracts dependencies based on user's flow.json. Added more specific processing to get all contracts.

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6215b02) 40.51% compared to head (6a4b840) 40.60%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1408      +/-   ##
==========================================
+ Coverage   40.51%   40.60%   +0.08%     
==========================================
  Files          47       47              
  Lines        2589     2596       +7     
==========================================
+ Hits         1049     1054       +5     
- Misses       1416     1417       +1     
- Partials      124      125       +1     

Flag	Coverage Δ
unittests	40.60% <100.00%> (+0.08%)	⬆️

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