✨Add context menu

[AdrySky]

Description

This added a context menu for xircuits by right-clicking it.

Currently, the context menu have 6 options which are:

1. Edit
2. Delete
3. Save
4. Run Xircuits
5. Create New Xircuits
6. Open Xircuits Log Console

For Edit & Delete, it's only enable when right-clicking a node. However, Edit only works for Literal Node.

Also, fix literal node editing when cancel is pressed or no input provided.

Pull Request Type

• Xircuits Core (Jupyterlab Related changes)
• Xircuits Canvas (Custom RD Related changes)
• Xircuits Component Library
• Documentation
• Others (Please Specify)

Type of Change

• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Tests

1. Do test the 6 options in the context menu. All of these options are explanatory by their given name except for 1) & 2)
   1. Edit: Enable to edit Literal Value
   2. Delete: Enable to delete any node
2. Do check the previous function for edit and delete still works
   1. Edit: Double clicking Literal Node
   2. Delete: Press 'Delete' or 'backspace' keys on any node
3. While editing, either provide an empty string, press cancel or ok
   1. It shouldn't do anything.

Tested on?

• Windows
• Linux Ubuntu
• Centos
• Mac
• Others (State here -> xxx )

Notes

The Shift+Right Click for Browser Menu can't be removed as it's hardcoded in JupyterLab itself.

[MFA-X-AI]

Sorry for the delay, I thought the open component function was broken again just to realize this pull request was made before it. After rebasing I confirmed that it's all good.
Really good groundwork for right click menu, didn't find any bugs.

Also appreciated the fix to the double click component, feels much easier to use now. :D