Fix dataset tag reducers bug

[davidsharp7]

Problem

PR #2714 introduced the ability to add tags to a dataset.

Looks like the reducer was not done correctly and its interfering with the datasets route on the side bar after a dataset tag update.

Closes: #2715

Solution

remove result from dataset tags reducer

One-line summary:

remove result from dataset tags reducer to fix sidebar bug

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	09dbf10
🔍 Latest deploy log	https://app.netlify.com/sites/peppy-sprite-186812/deploys/6591e73af9ee9c0008e2cbe1

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (04fc7b7) 84.42% compared to head (09dbf10) 84.42%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2716   +/-   ##
=========================================
  Coverage     84.42%   84.42%           
  Complexity     1416     1416           
=========================================
  Files           251      251           
  Lines          6434     6434           
  Branches        291      291           
=========================================
  Hits           5432     5432           
  Misses          850      850           
  Partials        152      152           

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