Update error message copy when maximum number of users reached per license

[gtsiolis]

Problem to solve

Following up from #11768 (comment), the current message shown when the maximum number of users reached per license has the following issues:

1. It's using an error prefix unnecessarily.
2. It's not clear whether the user actually sign up or not.

Error: Maximum number of users permitted by the license exceeded

CURRENT

Proposal

Update error message copy when maximum number of users reached per license, with a simpler copy but also better structure using bolder font weight for the first sentence.

Seems like the error is also coming from the backend, cross-posting in case this makes it more challenging to come up with the bolder sentence:

gitpod/components/server/ee/src/user/user-service.ts

Line 90 in ca802d2

const msg = `Maximum number of users permitted by the license exceeded`;

For example:

Maximum number of users reached. We could not sign you in because this instance has reached the maximum number of allowed users.

See also relevant discussion (internal). Cc @lucasvaltl @geropl @AlexTugarev

[stale]

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