Fix ColorColumn for Bootstrap

[lrljoe]

This adds some missing default classes for the ColorColumn when using Bootstrap.

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1. [X] Does your submission pass tests and did you add any new tests needed for your feature?
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Changes to Core Features:

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (4e75b3d) 88.56% compared to head (512d69f) 88.56%. Report is 12 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1602 +/- ## ========================================== Coverage 88.56% 88.56% Complexity 1346 1346 ========================================== Files 106 106 Lines 3167 3167 ========================================== Hits 2805 2805 Misses 362 362 ```

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[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.