Various dataset tags improvements

[davidsharp7]

Problem

A few suggestions from the Marquez crew re the tags

• change text focus from description to the autocomplete drop down when the edit tags dialog is opened
• show that the auto complete is a drop down by using a carat.
• stop the dataset tags column resizing in dataset field mode (may need to think about column name width)

Closes: #2811

Solution

One-line summary:

Various tag improvements

Checklist

• You've signed-off your work
• Your changes are accompanied by tests (if relevant)
• Your change contains a small diff and is self-contained
• You've updated any relevant documentation (if relevant)
• You've included a one-line summary of your change for the CHANGELOG.md (Depending on the change, this may not be necessary).
• You've versioned your .sql database schema migration according to Flyway's naming convention (if relevant)
• You've included a header in any source code files (if relevant)

[netlify]

✅ Deploy Preview for peppy-sprite-186812 canceled.

Name	Link
🔨 Latest commit	85063da
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.57%. Comparing base (61927c2) to head (85063da).

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2813   +/-   ##
=========================================
  Coverage     84.57%   84.57%           
  Complexity     1441     1441           
=========================================
  Files           251      251           
  Lines          6503     6503           
  Branches        302      302           
=========================================
  Hits           5500     5500           
  Misses          850      850           
  Partials        153      153           

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[wslulciuc]

💯 🥇