Don't show index-pattern creation form once created when viewing surrounding docs

[amsiglan]

Description

Currently once the index pattern gets created, the state is not getting updated correctly due to which if the user returns to the finding flyout and clicks view surrounding documents button again, we don't find the indexPatternId for the pattern just created and end up asking user to create the index-pattern again but since the pattern already exists the creation fails silently and user gets stuck.

The change in this PR ensures we re-render the flyout with the new state after index pattern creation so that the next surrounding doc button click directly opens the discover window

Check List

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 31.05%. Comparing base (fdfc904) to head (8847f87).
Report is 1 commits behind head on main.

❗ Current head 8847f87 differs from pull request most recent head c0495d0. Consider uploading reports for the commit c0495d0 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #927      +/-   ##
==========================================
- Coverage   31.15%   31.05%   -0.10%     
==========================================
  Files         158      157       -1     
  Lines        5242     5232      -10     
  Branches      976      982       +6     
==========================================
- Hits         1633     1625       -8     
+ Misses       3436     3420      -16     
- Partials      173      187      +14     

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[amsiglan]

Passing cypress tests:

[amsiglan]

Passing UTs: