Refine UI around query editor

[kmcginnes]

Description

• Made "Add All" blue and added icon
• Removed count from add all since it is redundant
• Made "Run Query" gray and new icon on right
• Made "Run Query" button smaller and right aligned
• Added tooltip to button to show keyboard shortcuts

Validation

Related Issues

• Resolves Make "Add All" button more prominent #981

Check List

• I confirm that my contribution is made under the terms of the Apache 2.0
  license.
• I have run pnpm checks to ensure code compiles and meets standards.
• I have run pnpm test to check if all tests are passing.
• I have covered new added functionality with unit tests if necessary.
• I have added an entry in the Changelog.md.

[codecov]

Codecov Report

Attention: Patch coverage is 9.25926% with 49 lines in your changes missing coverage. Please review.

Project coverage is 33.52%. Comparing base (a899239) to head (16f96b7).
Report is 27 commits behind head on main.

Files with missing lines	Patch %	Lines
...rc/modules/SearchSidebar/QuerySearchTabContent.tsx	0.00%	19 Missing ⚠️
...er/src/modules/SearchSidebar/SearchResultsList.tsx	0.00%	12 Missing ⚠️
...-explorer/src/modules/GraphViewer/SelectLayout.tsx	0.00%	10 Missing ⚠️
...ages/graph-explorer/src/components/KeyboardKey.tsx	20.00%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #989      +/-   ##
==========================================
+ Coverage   30.72%   33.52%   +2.80%     
==========================================
  Files         525      526       +1     
  Lines       23627    21378    -2249     
  Branches     1408     1522     +114     
==========================================
- Hits         7259     7167      -92     
+ Misses      16241    14093    -2148     
+ Partials      127      118       -9     

Flag	Coverage Δ
unittests	33.52% <9.25%> (+2.80%)	⬆️

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