Execute chunk loading operations outside the main thread

[szumielxd]

Overview

Description

Now, main command will wait with further execution until plot center location is asynchronously obtained. This will free the main thread while reaching plot in unloaded chunk

Submitter Checklist

• Make sure you are opening from a topic branch (/feature/fix/docs/ branch (right side)) and not your main branch.
• Ensure that the pull request title represents the desired changelog entry.
• New public fields and methods are annotated with @since TODO.
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