Refactor and redesign user menu #1470

Job	Run time
Build Element Web	2m 18s
Run Tests [Chrome] 3/4	11m 7s
Run Tests [Chrome] 1/4	13m 6s
Run Tests [Chrome] 2/4	12m 31s
Prepare Element Desktop / Prepare	52s
Run Tests [Chrome] 4/4	17m 46s
Downstream Playwright tests [element-modules]	0s
Desktop Linux (static, amd64, false) / Build Linux amd64 SQLCipher static	11m 21s
Desktop macOS	-1s
Desktop Windows	-1s
Desktop Linux (static, amd64, false) / Test Linux amd64 SQLCipher static / Test linux-amd64-sqlcipher-static	1m 43s
end-to-end-tests	30s
	1h 11m 12s

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