Rollback https://github.com/coder/coder/pull/18081
We've been using owner_name inconsistently as username. So this PR fixes it by making the attribute naming more consistent.
Fixes https://github.com/coder/coder/issues/17009 Adds a CLI command `coder open app <workspace> <app-slug>` that allows opening arbitrary `coder_apps` via the CLI. Users can optionally specify a region for workspace applications.
coder open vscode
Fixes #7667