Add repeat password field for confirmation

[Steve-Mcl]

closes #4616

Description

Adds repeat password field to sign up form

Related Issue(s)

#4616

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 78.74%. Comparing base (2ac81cf) to head (5d740b0).
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4670   +/-   ##
=======================================
  Coverage   78.74%   78.74%           
=======================================
  Files         311      311           
  Lines       14667    14667           
  Branches     3353     3353           
=======================================
  Hits        11549    11549           
  Misses       3118     3118           

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[joepavitt]

"Confirm Password" is generally the language used for this kind of I thing?

[joepavitt]

@Steve-Mcl FYI the deploy blueprints function is failing, from memory, those tests have a sign up step to test the external "Deploy Blueprints" buttons, so I suspect it'll just be needing to have the "Confirm Password" field filled in too

[Steve-Mcl]

"Confirm Password" is generally the language used for this kind of I thing?

GH uses repeat.

Amazon uses Re-enter Password

SO uses Confirm your Password

Surprisingly, most services DONT ask you to repeat/confirm password (only when changing it)

Either way, if you have a preference, let me know :)