Update invocation from Invoke-Expression to call operator

[vidai-msft]

Description

Mandatory Checklist

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[Copilot]

Pull Request Overview

This PR refactors PowerShell script code to replace the use of Invoke-Expression with the call operator (&) for executing commands and functions. This change improves security by avoiding string-based command execution and follows PowerShell best practices.

Key Changes

• Replace Invoke-Expression calls with the safer call operator (&)
• Clean up code formatting by removing unnecessary line breaks and standardizing brace placement
• Remove semicolons at end of statements following PowerShell conventions

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
tools/Test/SmokeTest/RmCoreSmokeTests.ps1	Updated command execution in retry function and replaced string concatenation approach with direct call operator usage
src/Resources/Resources.Test/ScenarioTests/RoleDefinitionTests.ps1	Replaced Invoke-Expression with call operator and cleaned up function formatting
src/KeyVault/KeyVault.Test/Scripts/VaultManagedStorageAccountTests.ps1	Updated multiple test functions to use call operator instead of Invoke-Expression
src/Compute/Compute.Test/ScenarioTests/VMDynamicTests.ps1	Replaced Invoke-Expression with call operator for function invocation and updated code formatting
src/Compute/Compute.Test/ScenarioTests/ComputeTestCommon.ps1	Updated command execution pattern and cleaned up function formatting throughout

[vidai-msft]

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[isra-fel]

/azp run azure-powershell - powershell-core

[isra-fel]

/azp run azure-powershell - powershell-core

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