Refactor and redesign user menu #50

Job	Run time
Build Element Web	1m 21s
Prepare Element Desktop	0s
Desktop macOS	0s
Run Tests [${{ matrix.project }}] ${{ matrix.runner }}/${{ needs.build_ew.outputs.num-runners }}	0s
end-to-end-tests	33s
Downstream Playwright tests [element-modules]	0s
Desktop Windows	0s
Desktop Linux	0s
	1m 54s

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