fix(core): only sign out previous account in web oauth (#8290) #15762

Job	Run time
Check yarn binary	6s
Lint	4m 25s
Analyze (javascript)	3m 37s
E2E Test (1)	5m 13s
Analyze (typescript)	3m 37s
E2E Test (2)	5m 14s
Build @affine/electron renderer	2m 12s
E2E Test (3)	9m 41s
Build AFFiNE native (x86_64-unknown-linux-gnu)	38s
Build AFFiNE native (x86_64-pc-windows-msvc)	1m 31s
E2E Test (4)	5m 15s
Build Server native	26s
E2E Test (5)	5m 44s
E2E Migration Test	3m 2s
Build AFFiNE native (x86_64-apple-darwin)	48s
Build AFFiNE native (aarch64-apple-darwin)	33s
E2E Mobile Test (1)	6m 11s
E2E Mobile Test (2)	4m 6s
E2E Mobile Test (3)	3m 19s
E2E Mobile Test (4)	3m 9s
E2E Mobile Test (5)	3m 9s
Server Test	6m 58s
Unit Test	1m 58s
Server E2E Test 1/3	7m 28s
Server E2E Test 2/3	7m 42s
Server E2E Test 3/3	4m 2s
Server Desktop E2E Test	4m 20s
Desktop Test (macos-14, macos, x64, x86_64-apple-darwin, false)	2m 10s
Desktop Test (macos-14, macos, arm64, aarch64-apple-darwin, true)	5m 56s
Desktop Test (ubuntu-latest, linux, x64, x86_64-unknown-linux-gnu, true)	4m 10s
Desktop Test (windows-latest, windows, x64, x86_64-pc-windows-msvc, true)	6m 49s
3, 2, 1 Launch	1s
	2h 3m 30s

Provide feedback