[mesheryctl] Pre-run check before checking system version

[uds5501]

Signed-off-by: Uddeshya Singh singhuddeshyaofficial@gmail.com

Description
Runs additional pre-run check like mesheryctl system update

This PR fixes #2100

Notes for Reviewers
Sample logs are as follows

Docker is not running.
Start Docker now [y/n]? y
Attempting to start Docker...
[sudo] password for uddeshya: 
Prerequisite Docker started.

Signed commits

• Yes, I signed my commits.

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[leecalcote]

@uds5501 thank you. We will want I land this check in the update flow. The title of error #2100 is accurate, but misleading. The error in #2100 occurred during an update operation.

In addition to handling the update flow, another consideration here is to ensure that users are allowed to check version without running Docker of Meshery server. In the case of the user simply running “mesheryctl version”, we don’t want to prompt them to start Meshery server if it is not running. But, do want to prompt them to run Meshery if they try to update version.

[uds5501]

@leecalcote so basically this check should run once the user agrees for an update, correct?

[leecalcote]

@uds5501, yes, correct.

[leecalcote]

Thank you.

[leecalcote]

Thank you, @uds5501 😀