Make `TokenService` More Observable #30131

Job	Run time
Check PR run / Check	3s
Verify Electron Version	4s
Setup	8s
Linux Build	8m 19s
MacOS Build	6m 10s
Windows Build	10m 50s
Browser Build / Check PR run / Check	4s
Browser Build / Setup	7s
Browser Build / Locales Test	5s
Browser Build / Build	7m 7s
Browser Build / Build Safari	6m 11s
Browser Build / Crowdin Push	0s
Browser Build / Check for failures	29s
MacOS Package GitHub Release Assets	10m 34s
MacOS Package Prod Release Asset	7m 52s
MacOS Package Dev Release Asset	4m 29s
Crowdin Push	27s
Check for failures	27s
	1h 3m 26s

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