Plugin: Only skip duplicate work when BlockCode nodes selected #145
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In dbd7643, an early return was added to avoid updating the UI when the same BlockCode node has been selected. When a non-BlockCode has been selected, the main panel needs to be told about it so that it can show some friendly messages about adding a BlockCode node. However, any non-BlockCode node is represented as null, which means that changes to a selected non-BlockCode node can't be differentiated. Skip the early return in that case.
https://phabricator.endlessm.com/T35572