Correct logic to determine if both storage account and VM are present in same region for RHEL 7.9 VM

[bharathsm-ms]

Script failing with below message even when both storage account and VM is in same region for RHEL 7.9 VM.

2023-12-01T06:36:24.914Z Error: Client VM (public IP: xx:xx:xx:xx) is not Azure VM running in the same region as the storage account. Mount will fail. For more information, please refer to https://docs.microsoft.com/en-us/azure/storage/storage-how-to-use-files-linux