NT-232: Convert the ProjectUtils.java class to a Kotlin extension

[leighdouglas]

📲 What

• Refactored ProjectUtils.java -> ProjectExt.kt
• Created a new test suite
• Refactor usages of ProjectUtils.java methods to use the new extension methods instead

🤔 Why

Ongoing effort to migrate codebase to kotlin

👀 See

No external/user facing changes

📋 QA

• Should probably do a full regression to make sure everything is working as it should, as these methods touch several parts of the product

Story 📖

NT-232: Convert the ProjectUtils.java class to a Kotlin extension

[codecov]

Codecov Report

Merging #1453 (257dab3) into master (69792b4) will increase coverage by 0.05%.
The diff coverage is 94.11%.

@@             Coverage Diff              @@
##             master    #1453      +/-   ##
============================================
+ Coverage     72.29%   72.34%   +0.05%     
+ Complexity      736      710      -26     
============================================
  Files           210      209       -1     
  Lines          6082     6028      -54     
  Branches        391      375      -16     
============================================
- Hits           4397     4361      -36     
+ Misses         1547     1532      -15     
+ Partials        138      135       -3     

Impacted Files	Coverage Δ
...ava/com/kickstarter/ui/adapters/ThanksAdapter.java	0.00% <0.00%> (ø)
...n/java/com/kickstarter/libs/utils/RefTagUtils.java	76.74% <100.00%> (ø)
...wmodels/CreatorDashboardHeaderHolderViewModel.java	98.73% <100.00%> (ø)
...starter/viewmodels/ProjectCardHolderViewModel.java	97.28% <100.00%> (ø)
...kickstarter/viewmodels/ProjectHolderViewModel.java	98.65% <100.00%> (ø)
...viewmodels/ProjectSearchResultHolderViewModel.java	96.77% <100.00%> (ø)
...com/kickstarter/mock/factories/ProjectFactory.java	88.09% <0.00%> (-1.33%)	⬇️

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[Arkariang]

Lgtm! great work @leighdouglas ❤️