Split out binary methods out of PackageController

[hellcp-work]

I started working on this because of filelist changes. I will need to add some ajax methods, for handling data from the backend there, but package controller is already overloaded, so I decided to split it up and move all of the relevant methods into another controller. There are still a few failing tests, because of concerns handling them for some reason, but otherwise things should be working

[dmarcoux]

Could you split this PR in smaller ones? This would help with reviewing the changes. Like the changes from Webui::Packages::BinariesHelper could be in their own PR. For the rest, I don't know since I didn't look at all the changes in details, 39 changed files in a PR is simply too much to review.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 87.10%. Comparing base (81eca94) to head (2ab3cb4). Report is 1232 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #13564      +/-   ##
==========================================
+ Coverage   86.89%   87.10%   +0.21%     
==========================================
  Files         778      778              
  Lines       25719    25719              
==========================================
+ Hits        22348    22403      +55     
+ Misses       3371     3316      -55     

[hellcp-work]

A small note on the spec: its former name meant that it was never actually called, I revived it from the dead, so don't be surprised by the changes to the existing code

[hellcp-work]

Followed up by #15750, #15746 and #15752