feat: Pass through additional actions from WidgetPanel

[mofojed]

• additionalActions was only a prop on Panel
• Add it as a prop on WidgetPanel and pass it through

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 46.78%. Comparing base (1503a37) to head (e146d8d).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
.../dashboard-core-plugins/src/panels/WidgetPanel.tsx	75.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2224   +/-   ##
=======================================
  Coverage   46.77%   46.78%           
=======================================
  Files         694      694           
  Lines       38625    38624    -1     
  Branches     9867     9868    +1     
=======================================
+ Hits        18068    18070    +2     
+ Misses      20504    20501    -3     
  Partials       53       53           

Flag	Coverage Δ
unit	46.78% <80.00%> (+<0.01%)	⬆️

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