Do not add v2.0 to authority endpoint if already exists

[konstantin-msft]

• Do not add v2.0 to authority endpoint if already exists.

[codecov-commenter]

Codecov Report

Merging #6457 (7cc5a5a) into dev (81d34b4) will decrease coverage by 2.01%.
Report is 310 commits behind head on dev.
The diff coverage is 61.03%.

Flag	Coverage Δ
msal-angular	96.73% <ø> (+0.22%)	⬆️
msal-browser	85.32% <ø> (-1.15%)	⬇️
msal-common	82.83% <ø> (-1.72%)	⬇️
msal-core	?
msal-node	80.16% <ø> (-3.23%)	⬇️
msal-node-extensions	68.51% <60.77%> (-7.13%)	⬇️
msal-react	94.24% <ø> (-0.45%)	⬇️
node-token-validation	?

Files Changed	Coverage Δ
...ions/msal-node-extensions/src/utils/Environment.ts	20.51% <0.00%> (-22.08%)	⬇️
lib/msal-angular/src/constants.ts	100.00% <ø> (ø)
lib/msal-angular/src/msal.broadcast.service.ts	100.00% <ø> (ø)
lib/msal-angular/src/msal.guard.ts	90.78% <ø> (+0.64%)	⬆️
lib/msal-angular/src/msal.interceptor.ts	100.00% <ø> (ø)
lib/msal-angular/src/msal.module.ts	100.00% <ø> (ø)
lib/msal-angular/src/msal.navigation.client.ts	93.33% <ø> (+0.47%)	⬆️
lib/msal-angular/src/msal.redirect.component.ts	100.00% <ø> (ø)
lib/msal-angular/src/msal.service.ts	100.00% <ø> (ø)
lib/msal-angular/src/packageMetadata.ts	100.00% <ø> (ø)
... and 70 more

... and 161 files with indirect coverage changes

[sameerag]

Usage docs mention to always pass only domainname/tenantId format. Curious about the usage here, it is good to have but recommend the proper usage as much as possible.

[hectormmg]

Usage docs mention to always pass only domainname/tenantId format. Curious about the usage here, it is good to have but recommend the proper usage as much as possible.

I agree that the developer shouldn't be setting the API version, but I also prefer we gracefully avoid duplication rather than throw if the7 set v2.0/