Addon UI converter breaks the config

[zaggash]

The problem

Adding a Flag from the Addon UI editor breaks the config.

Adding the following through the Addon UI editor is not working:
ca-cert: /ssl/internal-home-ca.crt
It results in the following on the YAML editor:
flags: " ca-cert: /ssl/internal-home-ca.crt"

And produce the error below:

Failed to save add-on configuration, does not match regular expression {(('[^ ]+': *?('([^']|(?<=\\)')*'|None|False|True))(, *?'[^ ]+': *?('([^']|(?<=\\)')*'|None|False|True))*)?}. Got {'jobs': [{'name': 'Sync Backups', 'command': 'sync', 'sources': ['/backup'], 'destination': 'minio:hassio-backup'}], 'dry_run': False, 'config_path': '/config/rclone.conf', 'flags': 'ca-cert: /ssl/internal-home-ca.crt', 'extra_flags': [], 'run_once': True, 'log_level': 'info'}

---

However, using the following from the YAML editor:

flags:
  ca-cert: /ssl/internal-home-ca.crt

Results in the following on the UI editor:

And it is working.

What version of Rclone Backup has the issue?

Add-on version: 3.0.0

What version of Home Assistant are you running?

Home Assistant 2022.12.9

What type of installation are you running?

Home Assistant OS

If you're running HA OS/Supervised, what version of the Supervisor are you running?

Supervisor 2022.12.1

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response