make addon-panel list a horizontal drop down

proposal (bl 2.8)

make addon panel-list (active addons in toolbar) a horizontal drop down - select box

(now it is vertical text)

(make drop-down stay-on-top over right panel, not scrolled)

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pros: better readable, better selectable with many addons, fits screen

cons: ?

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maybe: allow multi select for drop-down (show 2 addons simultaniusly, in right N-bar UI panel)

maybe: shortcut for hiding visible addon panels temporarily

maybe: add custom addon icons to drop-down-list

maybe: add the addon-drop-down next to shading-drop-down or overlay-drop-down in top bar ?