[dashboard] show repo name when workspace creation fails

[trumbitta]

Description

When the creation of a workspace fails because the repo wasn't found, also display the repository name near the error messages so that in the scenario described by #7191 it becomes easier to understand what's actually going on.

Related Issue(s)

Fixes #7191

How to test

• Run the dashboard app
• Try to create a workspace from a non-existent repository. E.g. https://3000-teal-earthworm-ch85f047.ws-eu23.gitpod.io/#https://github.com/gitpod-io/gitpoddenz
• Look for the updated error message (See screenshot below)

Release Notes

[dashboard] Error messages on workspace creation when the repository is not found, will now also display the name of the repository

Documentation

[roboquat]

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Associated issue: #7191

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[iQQBot]

Hi, thanks for your contribution

[iQQBot]

cannot handle job for gitpod-build-trumbitta-display-name-of-the-repository-7191-fork.0: Pod "gitpod-build-trumbitta-display-name-of-the-repository-7191-fork.0" is invalid: metadata.labels: Invalid value: "gitpod-build-trumbitta-display-name-of-the-repository-7191-fork.0": must be no more than 63 characters

@trumbitta Please submit another PR, and short your branch name, thanks!

[trumbitta]

I'll do it as soon as I am able, but... Gitpod created the branch name for me 🤣🤣🤣

[trumbitta]

@iQQBot #7302 😊