Fixed RA user can approve reservation issues

[SanttuA]

Fix to RA user management "can approve reservation" permission issues

Changes:

• it is no longer assumed user has can_approve_reservation permission when they have unit manager permissions
• when all unit's permissions get deleted, can_approve_reservation is also removed from user if the user had it
• when clicking to toggle can_approve_reservation, all check boxes belonging to the same unit, will change to the same value

Related Trello card

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Breakdown:

RA user can approve reservation issues

1. respa_admin/forms.py

   • no longer assume manager has/gets can_approve_reservation
   • when form gets delete command set can_approve_reservation to false

2. respa_admin/static_src/js/userForm.js

   • added function to handle can approve reservation toggling to affect all check boxes of the same unit

3. respa_admin/templatetags/templatetags.py

   • no longer assume manager has/gets can_approve_reservation

[codecov]

Codecov Report

Patch coverage: 20.00% and project coverage change: +0.07% 🎉

Comparison is base (e030a41) 76.51% compared to head (10d35f7) 76.59%.
Report is 3 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #280      +/-   ##
===========================================
+ Coverage    76.51%   76.59%   +0.07%     
===========================================
  Files          485      496      +11     
  Lines        26436    26547     +111     
  Branches      2700     2705       +5     
===========================================
+ Hits         20228    20333     +105     
- Misses        5683     5689       +6     
  Partials       525      525              

Files Changed	Coverage Δ
respa_admin/forms.py	64.02% <0.00%> (-0.60%)	⬇️
respa_admin/templatetags/templatetags.py	62.50% <50.00%> (ø)

... and 24 files with indirect coverage changes

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