Contrib > Close modal on route change

[Blackbaud-SteveBrush]

Original contribution: #1658

[codecov-io]

Codecov Report

Merging #1683 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1683      +/-   ##
==========================================
+ Coverage   99.98%   99.98%   +<.01%     
==========================================
  Files         406      406              
  Lines        8354     8371      +17     
  Branches     1223     1226       +3     
==========================================
+ Hits         8353     8370      +17     
  Misses          1        1

Impacted Files	Coverage Δ
src/modules/modal/modal.module.ts	100% <100%> (ø)	⬆️
src/modules/modal/modal-host.component.ts	100% <100%> (ø)	⬆️
src/modules/modal/modal.service.ts	100% <100%> (ø)	⬆️
src/modules/modal/modal-adapter.service.ts	100% <100%> (ø)	⬆️

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