Team member device mode toggle

[hardillb]

part of #4778

Description

adds device.memberEnableDeviceDeveloperMode to flowfuse.yml, defaults to false

if set to true allows a Team Member to toggle developer mode on/off

Updates permissions so that Member role can toggle developer mode on a device - as this is a common task.

Related Issue(s)

#4778

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

[hardillb]

Letting UI tests run to see if they need updating

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.67%. Comparing base (511acde) to head (6e1d7b8).
Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4844   +/-   ##
=======================================
  Coverage   78.67%   78.67%           
=======================================
  Files         314      314           
  Lines       15125    15125           
  Branches     3483     3483           
=======================================
  Hits        11900    11900           
  Misses       3225     3225           

Flag	Coverage Δ
backend	78.67% <ø> (ø)

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