fix : start and stop commands crash when container state diverges from local config

[DivyanshuVortex]

Description :

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• Fixed microcks start to sync with daemon state before starting containers
• Fixed microcks stop to handle already-removed containers gracefully
• Fixed UpsertInstance to match by Name instead of ContainerID
• Prevented duplicate ghostt entries in ~/.config/microcks/config
• Added GetContainer(name) to inspect real container state from Docker/Podman

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Resolves : #306

[DivyanshuVortex]

Removed return statemnts following log.Fatalf(). bcoz, log.Fatalf calls os.Exit(1) and terminates the program immediately, making any subsequent return unreachable.

[rootp1]

@DivyanshuVortex, how do you temporarily deploy your PR to build?

[DivyanshuVortex]

@DivyanshuVortex, how do you temporarily deploy your PR to build?

GitHub Actions is set to auto-run on PR , so the temp Build deploy just kicked off automatically when the PR got opened/updated.