[5.1] Use Dialog for Shortcut overview

[Fedik]

Summary of Changes

Use Dialog for Shortcut overview, instead of BS modal.

Testing Instructions

Run npm install
Check shortcut overview works as before (j + x shortcut).

Actual result BEFORE applying this Pull Request

Works

Expected result AFTER applying this Pull Request

Works

Link to documentations

Please select:

• Documentation link for docs.joomla.org:
• No documentation changes for docs.joomla.org needed
• Pull Request link for manual.joomla.org:
• No documentation changes for manual.joomla.org needed

Reference:

• [5.0][RFC] Joomla Dialog (popup) script. Free, without CC and registration #40150

[JonasAtZwetschke]

I have tested this item ✅ successfully on 7ff0791

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[viocassel]

I have tested this item ✅ successfully on 7ff0791

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[Quy]

RTC

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[LadySolveig]

Thank you for your work @Fedik !
I am also very happy about the eager testers and the review - thank you @JonasAtZwetschke @viocassel and @dgrammatiko