GPL-849 BUG - As a developer I need to fix the issues with password hashing

[Stephen Inglis]

Describe the bug
As a developer I need to fix the issues with password hashing

• When a user is updated the password is reverted to non-hashed and user login no longer works
• Sometimes logins start failing intermittently

RT Ticket Number
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To Reproduce
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2. Click on button '...'
3. See error

Expected behaviour
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