[INT] Refactored some of the plugins - 3

[eva-vashkevich]

Summary

Fixes #10774
Refactored plugins to be Vue3 migration ready

Occurred changes and/or fixed issues

Refactored:

• shell/plugins/clean-tooltip-directive.js
• shell/plugins/directives.js
• shell/plugins/int-number.js
• shell/plugins/clean-html-directive.js

Technical notes summary

Areas or cases that should be tested

The entire application is affected since these plugins are globally used.
In particular:

• html tags should be sanitized (all hyperlinks should have 'noopener', 'noreferrer', 'nofollow' attributes)
• tooltips should look and work as expected
• focusing on elements should work as before
• keypress on number should work as before

Areas which could experience regressions

The entire application is affected since these plugins are globally used.

Screenshot/Video

Checklist

• The PR is linked to an issue and the linked issue has a Milestone, or no issue is needed
• The PR has a Milestone
• The PR template has been filled out
• The PR has been self reviewed
• The PR has a reviewer assigned
• The PR has automated tests or clear instructions for manual tests and the linked issue has appropriate QA labels, or tests are not needed
• The PR has reviewed with UX and tested in light and dark mode, or there are no UX changes

[rak-phillip]

LGTM

[rak-phillip]

This is looking great. I just have one concern about how we export some of our directives.

[rak-phillip]

Another thought about naming, we could probably categorize all of our directives under shell/directives.. this can be done as a future PR, I feel this PR has enough content in it already.