Prevent trailing slash for identifierUris when no path

[MarkDordoy]

Using the Graph API, if you try and patch or create an application that has an IdentifierUris without a path and a trailing slash, the api will respond with:

ApplicationsClient.BaseClient.Patch(): unexpected status 400 with OData error: IdentifierUrisEndsWithSlash: Application alias 'https://mydomain.com/' value is invalid.

This PR Extends the function validate.IsUriFunc to have a new argument allowTrailingSlash and its set to false for IdentifierUris validation.

[manicminer]

Thanks for this @MarkDordoy, LGTM! 🥧

[github-actions]

This functionality has been released in v2.31.0 of the Terraform Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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