[WIP] ASSETS-48891 Adopt modal dialog support to common Host API in Detail extension

[wyleunggit]

Adopt modal dialog support to common Host API in Detail extension

Description

Extend existing template to prompt user for the need to open a custom dialog.
If the user responds with yes then prompt for a button label, dialog title, type and size and generate the required UI content

Related Issue

https://jira.corp.adobe.com/browse/ASSETS-48891

Motivation and Context

Provide convenience to generate boilerplate code for opening custom modal dialogs from detail side panels
Reduce learning curve for developer to implement the same
Align with the support of custom modal dialogs that will be part of the browse extension

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.