Enhance remote instance editor with connection polling, communication…

[cstns]

Description

handle redirect when device comms are broken within the immersive editor

Related Issue(s)

closes #6645
part of #6599

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
• Link to Changelog Entry PR, or note why one is not needed.

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 76.66%. Comparing base (49957b6) to head (8bbfd58).
⚠️ Report is 15 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6647   +/-   ##
=======================================
  Coverage   76.66%   76.66%           
=======================================
  Files         398      398           
  Lines       20103    20103           
  Branches     4841     4841           
=======================================
  Hits        15411    15411           
  Misses       4692     4692           

Flag	Coverage Δ
backend	76.66% <ø> (ø)

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[Steve-Mcl]

@cstns 1 comment as discussed - also e2e test fails 😢

[cstns]

the failures seem ti be unrelated, the recurring failures on the brokers side. Hoping this new run will be all 🟢

[cstns]

given that all PR's that branch of off this one have successfully passed their e2e actions and having checked the e2e test failures locally and not able to reproduce them, I'm brushing them on cypress instability within CI..

third time's the charm