[Model Editor] improvements

[samatstariongroup]

Prerequisites

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

Description

• When the user selects an ElementDefinition or ElementUsage, the details of that selected element shall become visible in the right panel as a card that is always listed on top where: the shortname, name, owner, categories and definition are visible
• Allow the user to edit the details of an Element Usage
• Allow the user to edit the details of an Element Definition
• Allow the user to edit the details of an Element Usage
• Allow the user to create a Parameter Subscription
• Allow the user to create a Parameter Override
• Allow the user to delete an element definition
• Allow the user to delete an element usage,
• Allow the user to delete a parameter subscription
• Allow the user to delete a parameter override

System Configuration

• COMET version:
  • COMET-WEB: 5.8.0.0