Return device type in application/devices

[hardillb]

part of #4176

Description

This is just the API change

n.b.
included the device type in the application search as well

Related Issue(s)

closes #4176

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 78.70%. Comparing base (0445a24) to head (0cda7a4).
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4904   +/-   ##
=======================================
  Coverage   78.70%   78.70%           
=======================================
  Files         323      323           
  Lines       15230    15230           
  Branches     3498     3498           
=======================================
  Hits        11987    11987           
  Misses       3243     3243           

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[cstns]

spot on!
I took the liberty and added the device type in the application search to save ourselves another pr!