Have popup manager handle treemacs windows

Other windows would be resized slightly incorrectly because treemacs
opens as a fixed split, rather than a side window. This change forces it
to be a side window, which resolves the problem _and_ restores the
functionality of balance-windows, which is disabled when a fixed split
is present.
This commit is contained in:
Henrik Lissner 2018-07-21 01:20:59 +02:00
parent 7f284e98b6
commit 28e21352ec
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