Update snapshot hero info dialog images to be same for all

[Steve-Mcl]

closes #4696

Description

Update snapshot hero info dialog images to be same for all

Related Issue(s)

#4696

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 78.73%. Comparing base (179e4d8) to head (6c7e27a).
Report is 25 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4697   +/-   ##
=======================================
  Coverage   78.73%   78.73%           
=======================================
  Files         311      311           
  Lines       14670    14670           
  Branches     3355     3355           
=======================================
  Hits        11551    11551           
  Misses       3119     3119           

Flag	Coverage Δ
backend	78.73% <ø> (ø)

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