Feature/deprecate domain env vars

[acelaya]

Closes #1164

[codecov-commenter]

Codecov Report

Merging #1186 (c622654) into develop (dc466f2) will decrease coverage by 0.05%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #1186      +/-   ##
=============================================
- Coverage      97.11%   97.06%   -0.06%     
  Complexity      1128     1128              
=============================================
  Files            183      183              
  Lines           3574     3574              
=============================================
- Hits            3471     3469       -2     
- Misses           103      105       +2     

Impacted Files	Coverage Δ
...Core/src/EventDispatcher/NotifyVisitToWebHooks.php	93.75% <0.00%> (-6.25%)	⬇️

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