Fixed Required Field TaxId in Billing info

[Artistic18]

Fixes #4030

Short description of what this resolves:

Changes proposed in this pull request:

Checklist

• [ x] I have read the Contribution & Best practices Guide.
• [ x] My branch is up-to-date with the Upstream development branch.
• [ x] The acceptance, integration, unit tests and linter pass locally with my changes
• [ x] I have added tests that prove my fix is effective or that my feature works
• [ x] I have added necessary documentation (if appropriate)

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[codecov]

Codecov Report

Merging #4150 into development will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           development    #4150   +/-   ##
============================================
  Coverage        22.06%   22.06%           
============================================
  Files              461      461           
  Lines             4749     4749           
  Branches             2        2           
============================================
  Hits              1048     1048           
  Misses            3700     3700           
  Partials             1        1

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[snitin315]

Solve the whole issue in one PR.

[Artistic18]

Can you please tell which file should I make the changes.

[snitin315]

open-event-frontend/app/templates/components/forms/orders/order-form.hbs

[kushthedude]

Stale!