add service configuration option to myservices

[swaroopar]

• [ ] add new 'service configuration' option to 'More' drop down.
• [ ] On click, a modal must open which has a left Menu. Consider using the antd's Menu component.
• [ ] Add first menu item - Current Config
• [ ] Use the API method implemented in https://github.com/eclipse-xpanse/xpanse/issues/1967 to show the current configuration as a form.
• [ ] For each config field, show description of the form field using the service template.

Note - Depends on https://github.com/eclipse-xpanse/xpanse/issues/1967 More options to the menu will be added with other userstories.