Fix issue where file link name overflows container

[Blackbaud-TrevorBurch]

No description provided.

[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-forms?_sp.spa=pr-file-attachment-link-overflow

[codecov]

Codecov Report

Merging #239 (95a4340) into master (0594b1c) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #239   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           29        29           
  Lines          881       980   +99     
  Branches       168       168           
=========================================
+ Hits           881       980   +99     

Impacted Files	Coverage Δ
src/app/public/modules/radio/radio.module.ts	100.00% <0.00%> (ø)
src/app/public/modules/radio/radio.component.ts	100.00% <0.00%> (ø)
src/app/public/modules/checkbox/checkbox.module.ts	100.00% <0.00%> (ø)
...c/app/public/modules/input-box/input-box.module.ts	100.00% <0.00%> (ø)
.../app/public/modules/checkbox/checkbox.component.ts	100.00% <0.00%> (ø)
.../app/public/modules/radio/radio-group.component.ts	100.00% <0.00%> (ø)
.../app/public/modules/radio/radio-label.component.ts	100.00% <0.00%> (ø)
...pp/public/modules/input-box/input-box.component.ts	100.00% <0.00%> (ø)
...pp/public/modules/shared/forms-resources.module.ts	100.00% <0.00%> (ø)
...p/public/modules/file-attachment/file-size.pipe.ts	100.00% <0.00%> (ø)
... and 17 more

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[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-forms?_sp.spa=pr-file-attachment-link-overflow