Refactor Show-ContainerTools to add flag -ToolName (2/4)

[TinaMor]

PR description

What does this PR do

• Refactor Show-ContainerTools to reuse functions and rewrite the unit tests
• Allow user to get tool info for only one tool using flag -ToolName

Additional tasks

• Bug fixes
• Spelling issues in comments and documentation

Testing information

> Get-Help Show-ContainerTools
    ...
    SYNTAX
        Show-ContainerTools [-Latest] [-ToolName] [<CommonParameters>]
    ...

> Show-ContainerTools -Latest -ToolName buildkit

    For unregistered services/daemons, check the tool's help or register the service using
            Register-BuildkitdService, Register-ContainerdService, Start-BuildkitdService, Start-ContainerdService, Stop-BuildkitdService, Stop-ContainerdService

    Tool          : buildkit
    Path          : C:\Program Files\Buildkit\bin\buildkitd.exe
    Installed     : True
    Version       : v0.19.0
    Daemon        : buildkitd
    DaemonStatus  : Unregistered
    BuildctlPath  : C:\Program Files\Buildkit\bin\buildctl.exe
    LatestVersion : v0.19.0

Checklist

As part of our commitment to engineering excellence, before submitting this PR, please make sure:

• You've tested this code in both Desktop & Server environments and AMD & ARM64 enviroments (functional testing).
• You've added unit tests for new code.
• You've added/updated documentation in the cmdlet docs, command-reference.md and the modules help files.
• You've reviewed the PR/code best practices defined in the CONTRIBUTING.md.

In addition, after this PR has been reviewed, please agree to:

• If changes have been made to your PR in the process of addressing comments, please make sure to test again the final version in both AMD and ARM64 environments.
• Validate your changes have not introduced any regressions.