Tags column in a specific tag's page is not populated

[yousoph]

Bug description

Repro steps:
Make sure the feature flag for TAGGING_SYSTEM is enabled and your user has permission to create tags

1. Visit the tags page
2. Create 2 or more tags
3. Tag a chart or dashboard with at least 2 tags
4. From the Tags page, click on an individual tag to see all assets tagged with that tag

Note that the tags column should show all OTHER tags (not including the tag whose page you are viewing) but it is blank

Screenshots/recordings

Superset version

master / latest-dev

Python version

3.9

Node version

16

Browser

Chrome

Additional context

No response

Checklist

• I have searched Superset docs and Slack and didn't find a solution to my problem.
• I have searched the GitHub issue tracker and didn't find a similar bug report.
• [] I have checked Superset's logs for errors and if I found a relevant Python stacktrace, I included it here as text in the "additional context" section.