Add default perms for virtual conection, database and table

[TrimPeachu]

In #1429, support for virtual connections was added, but the ability to set permissions to virtual connections at the project level was omitted. Adding support for virtual connections as well as databases and tables.

[salesforce-cla[bot]]

Thanks for the contribution! Unfortunately we can't verify the commit author(s): Tomas Frenak <t***@b***.com>. One possible solution is to add that email to your GitHub account. Alternatively you can change your commits to another email and force push the change. After getting your commits associated with your GitHub account, sign the Salesforce Inc. Contributor License Agreement and this Pull Request will be revalidated.

[bcantoni]

@TrimPeachu this PR was affected by a recent force-push of the development branch and now GitHub is quite confused. Could you please submit a new PR based off the current development branch? Then it should be clean with just your changes. Sorry for the inconvenience.