Fix credentials redirect url

[peterMuriuki]

close #1254

Fix url used to redirect to the credentials view.

• Add username to urls that should redirect to credentials view
• Add a create user test that also checks that final redirection to credentials view is valid

[codecov-commenter]

Codecov Report

Merging #1258 (181e5d5) into master (b29146f) will increase coverage by 0.14%.
The diff coverage is 80.00%.

@@            Coverage Diff             @@
##           master    #1258      +/-   ##
==========================================
+ Coverage   92.96%   93.11%   +0.14%     
==========================================
  Files         201      201              
  Lines        5519     5521       +2     
  Branches     1212     1212              
==========================================
+ Hits         5131     5141      +10     
+ Misses        382      374       -8     
  Partials        6        6              

Files Changed	Coverage Δ
...ent/src/components/UserList/TableActions/index.tsx	94.11% <0.00%> (ø)
...management/src/components/CreateEditUser/index.tsx	95.60% <100.00%> (+8.93%)	⬆️
...management/src/components/forms/UserForm/utils.tsx	89.62% <100.00%> (+0.07%)	⬆️

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