Migrate tasks from deprecated AzureRM powershell functions to AZ powershell functions

[DmitriiBobreshev]

Task name:
"AzureCloudPowerShellDeploymentV1",
"AzureCloudPowerShellDeploymentV2",
"AzureFileCopyV1",
"AzureFileCopyV2",
"AzureFileCopyV3",
"AzureFileCopyV4",
"AzureFileCopyV5",
"AzureFileCopyV6",
"AzurePowerShellV2",
"AzurePowerShellV3",
"AzurePowerShellV4",
"AzurePowerShellV5",
"SqlAzureDacpacDeploymentV1",

Description:

• Try to use current az, otherwise fallback to installation
• Fixed package's unit-tests with enabled FF
• Fixed tasks unit tests with enabled FF

Documentation changes required: N

Added unit tests: N

Attached related issue: WI 2073813

Checklist:

• Task version was bumped - please check instruction how to do it
• Checked that applied changes work as expected

[Aaqibshaikh20]

Hello Team,
Did you please tell me how to resolve this issue.
Starting: Setup Azure AD App for SupportUsers

Task : Azure PowerShell
Description : Run a PowerShell script within an Azure environment
Version : 5.239.5
Author : Microsoft Corporation
Help : https://aka.ms/azurepowershelltroubleshooting

Generating script.
========================== Starting Command Output ===========================
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command ". 'C:\a_temp\ac342356-0e48-44e1-8df4-84abbf833bb7.ps1'"
Added TLS 1.2 in session.
Import-Module -Name C:\Program Files\WindowsPowerShell\Modules\Az.Accounts\2.17.0\Az.Accounts.psd1 -Global
##[warning]You're using AzureRM which will be retired soon, please schedule an update.
Clear-AzContext -Scope CurrentUser -Force -ErrorAction SilentlyContinue