the expand button kills muscle memory acquired for years
i pressed it by mistake numerous times already
You can put it to the left where it won’t bother muscle memory or remove it as its use is zero and can be replaced by RMB or MMB to be consistent with the preview window.
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also this button it take space from the search view and narrow layout now has little space left, I recommend removing this button because placing it to the left won’t solve that.
and there you go, there is already a shortcut.
