Bug/chart selection scroll issue

[abhaypersistent]

Description

chart selection and tabs in the side panel should not scroll

Issues Resolved

#1123

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

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[codecov-commenter]

Codecov Report

Merging #1152 (e9b5e7b) into main (17d240a) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #1152   +/-   ##
=========================================
  Coverage     53.72%   53.72%           
  Complexity      291      291           
=========================================
  Files           279      279           
  Lines          9486     9486           
  Branches       2242     2242           
=========================================
  Hits           5096     5096           
  Misses         4220     4220           
  Partials        170      170           

Flag	Coverage Δ
dashboards-observability	47.87% <ø> (ø)
opensearch-observability	71.87% <ø> (ø)

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