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Didn't see this until I posted a similar issue:

I included a workaround for Linux that attempts to find and raise the existing window if you open the same file again from the command line.  Does not work when opening files from within Sublime, or for windows with multiple tabs, etc.
I have posted a similar request for opening files from the cli when said file is already open in a Sublime window.  See:

That issue contains a workaround script for Linux that will re-focus the Window (via wmctrl) rather than calling Sublime if the window is already open.  Said script does not attempt to solve the folder-view focus issue reported here; it would be possible to attempt such a workaround, although it is not possible to distinguish between multiple different folders (in different locations) with the same name by this method.