Prevent project kanban boxes from having line breaks

[ghost]

• Make elements fit content dynamically with width: fit-content.
• Prevent line breaks with white-space: nowrap.

[coveralls]

Coverage remained the same at 50.633% when pulling 8309027 on adhoc-dev:12.0 into 4dfdda0 on ingadhoc:12.0.

[codecov-io]

Codecov Report

Merging #90 into 12.0 will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             12.0      #90   +/-   ##
=======================================
  Coverage   50.63%   50.63%           
=======================================
  Files           5        5           
  Lines          79       79           
=======================================
  Hits           40       40           
  Misses         39       39

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