ref DES-228
This PR updates messaging and error handling in order to make Ghost calmer and friendlier. High level summary of the changes:
- Removed all onBlur validation in Settings -> now it’s possible to just click around without being warned to fill mandatory fields
- Removed lot of technical errors like `ValidationError: Validation (isEmpty) failed for locale`
- Completely removed the red background toast notifications, it was aggressive and raw esp. on the top
- Removed some unnecessary notifications (e.g. when removing a webhook, the removal already communicates the result)
- Now we show field errors on submitting forms, and in case of an error we show a “Retry” button in Settings too. This allowed to remove a lot of unnecessary error messages, like the big error message on the top, plus it’s consistent with the patterns outside Settings.
- Notification style is white now with filled color icons which makes everything much calmer and more refined.
- Removes redundant copy (e.g. "successful(ly)") from notifications
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Co-authored-by: Sodbileg Gansukh <sodbileg.gansukh@gmail.com>
