feat(sqllab): Make LeftBar width resizable

[justinpark]

SUMMARY

following feedback from #21280

Since the #21280 can cover too much space by the left bar panel, this commit makes the sidebar width fixed and collapsed the overflowing items as well.

As #20778 introduces the resizable menu on dashboard, this commit refactors the resizable component shareable and then introduces the resizable feature to sqllab left bar so user can expend the width to check the full text on demand.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

• Before:

sqllab-sidebar--after.mov

• After:

resizable--sqllab-left-bar.mov

TESTING INSTRUCTIONS

• Go to sqllab
• Hover over the left bar divider
• Drag and drop

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

cc: @EugeneTorap @ktmud

[justinpark]

cc: @nytai for visibility

[codecov]

Codecov Report

Merging #21300 (65a11b6) into master (65a11b6) will not change coverage.
The diff coverage is n/a.

❗ Current head 65a11b6 differs from pull request most recent head dfa7285. Consider uploading reports for the commit dfa7285 to get more accurate results

@@           Coverage Diff           @@
##           master   #21300   +/-   ##
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  Coverage   66.43%   66.43%           
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  Files        1788     1788           
  Lines       68268    68268           
  Branches     7269     7269           
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  Hits        45352    45352           
  Misses      21043    21043           
  Partials     1873     1873           

Flag	Coverage Δ
hive	53.02% <0.00%> (ø)
javascript	52.47% <0.00%> (ø)
postgres	80.88% <0.00%> (ø)
presto	52.92% <0.00%> (ø)
python	81.32% <0.00%> (ø)
sqlite	79.43% <0.00%> (ø)
unit	50.78% <0.00%> (ø)

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[EugeneTorap]

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