SF-3615 Fix error on draft generation page if user cannot access source

[RaymondLuong3]

The problem occurs in the draft history entry because we do not have a permission check if the user can access the training or translation source projects.

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This change is 

[codecov]

Codecov Report

❌ Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.92%. Comparing base (a53b8f0) to head (77c11e5).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...aft-history-entry/draft-history-entry.component.ts	71.42%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3550   +/-   ##
=======================================
  Coverage   82.91%   82.92%           
=======================================
  Files         605      605           
  Lines       36894    36898    +4     
  Branches     6043     6026   -17     
=======================================
+ Hits        30592    30596    +4     
- Misses       5376     5389   +13     
+ Partials      926      913   -13     

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[pmachapman]

@pmachapman reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @pmachapman)