Cli-microsoft365: Extend `spo term get` command to allow retrieval of child terms

[garrytrinder]

Raised from #1204

We currently do not support the retrieval of child terms when returning a given term, however this functionality is provided in the Get-PnPTerm PnP PowerShell cmdlet using the -IncludeChildTerms switch.

The spo term get command should be extended to include a new option called --includeChildTerms which returns the requested term from a given termset and also includes the child terms of the requested term in the command output.

Get-PnPTerm: https://docs.microsoft.com/en-us/powershell/module/sharepoint-pnp/get-pnpterm?view=sharepoint-ps

[mpowney]

In addition to #1225 I can pick this one up as well

[garrytrinder]

Absolutely ❤️

Thanks for the help @mpowney

It's all yours 👍🏻

[waldekmastykarz]

Woohoo! Great to have you back @mpowney 👏

[waldekmastykarz]

Hey @mpowney, are you still working on this?

[waldekmastykarz]

Setting as available for picking up due to lack of response