Fix overflow on actions section

[cstns]

Description

Fixes actions dropdown menus not overflowing containers

Related Issue(s)

closes #4640

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• Documentation has been updated
  • Upgrade instructions
  • Configuration details
  • Concepts
• Changes flowforge.yml?
  • Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production

Labels

• Includes a DB migration? -> add the area:migration label

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.44%. Comparing base (091eeaa) to head (cdbf145).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4642   +/-   ##
=======================================
  Coverage   78.44%   78.44%           
=======================================
  Files         303      303           
  Lines       14356    14356           
  Branches     3264     3264           
=======================================
  Hits        11262    11262           
  Misses       3094     3094           

Flag	Coverage Δ
backend	78.44% <ø> (ø)

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