[202405][Mellanox] Fix retry logic on discovery of MST device #20390
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−24
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Why I did it
Manual cherry-pick of #20389
Fixing retry logic when MST device is discovered. The current implementation only fetches the name of the device but doesn't verify if the device is accessible which can be confirmed by querying the device and ensuring the command passes.
Work item tracking
How I did it
Running upgrade tests.
Added a query command with device as parameter and ensured it passes.
How to verify it
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)