Uptake of SecretText

[darjoo]

Summary

Uptake of SecretText within the System Application.
Secrets, passwords, tokens etc are converted to use SecretText.

• Any functions that return secrets as a Text will be obsoleted with a replacement that returns SecretText. Uptake necessary.
• Any functions that return via var as Text will be obsoleted with a replacement that uses SecretText. Uptake necessary.
• Any events that use/return secret parameters will be obsoleted with a replacement that uses SecretText. Uptake necessary.
• Any functions that use secret Text parameters will just automatically be changed to SecretText. No change necessary.
• Allow debugging of Sys App

Work Item(s)

Fixes AB#463599