Increase default iframe timout to 10s

[hectormmg]

This PR increases the default iframe timeout to 10s

[codecov-commenter]

Codecov Report

Merging #6700 (7372cfe) into dev (81d34b4) will decrease coverage by 4.04%.
Report is 392 commits behind head on dev.
The diff coverage is n/a.

Additional details and impacted files

Flag	Coverage Δ
msal-angular	96.73% <ø> (+0.22%)	⬆️
msal-browser	79.21% <ø> (-7.26%)	⬇️
msal-common	?
msal-core	?
msal-node	?
msal-node-extensions	?
msal-react	94.24% <ø> (-0.45%)	⬇️
node-token-validation	?

Files	Coverage Δ
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)
...b/msal-browser/src/app/IPublicClientApplication.ts	41.17% <ø> (-2.58%)	⬇️
... and 51 more

... and 184 files with indirect coverage changes