[Improve] toast messages, make the mesasge to the user more specific

[samatstariongroup]

Prerequisites

• [x] I have written a descriptive issue title
• [x] I have verified that I am running the latest version of the COMET-WEB
• [x] I have searched open and closed issues to ensure it has not already been reported

Description

currently a toast message states "the operation was successful". This is very generic message that needs to be improved.

Example: when a domain-of-expertise is added the message shall be "The Domain Of Expertise {{new-shortname}} was added" Example: when a domain-of-expertise is edited the message shall be "The Domain Of Expertise {{new-shortname}} was updated"

Steps to Reproduce

• COMET version:
  • [x] COMET-WEB: 4.5.0