Feature: Add support for right-click drag&drop menu

[gave92]

Resolved / Related Issues

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• Closes #1396

Works but:

• uses the buit-in system context menu, not a custom Files UI
• does not work when dropping from Files to explorer :( maybe someone can help? 🙏

Steps used to test these changes

Stability is a top priority for Files and all changes are required to go through testing before being merged into the repo. Please include a list of steps that you used to test this PR.

1. Right-click drag inside Files or from explorer to Files and check drop memu

[yaira2]

uses the buit-in system context menu, not a custom Files UI

@gave92 Can we use the same method as the right click menu?