## Description The block toolbar does not appear after selecting multiple blocks in the widgets editor. ## Step-by-step reproduction instructions 1. Go to Appearance → Widgets. 2. Select multiple blocks e.g. by shift + clicking. ## Expected behaviour The block toolbar should appear. <img width="1252" alt="Screen Shot 2021-06-03 at 13 36 40" src="https://user-images.githubusercontent.com/612155/120582997-bd862b00-c470-11eb-93e5-fd7f81dfa62b.png"> ## Actual behaviour Behaviour is inconsistent. Sometimes no toolbar appears. Sometimes a toolbar for the last block appears. <img width="1252" alt="Screen Shot 2021-06-03 at 13 38 35" src="https://user-images.githubusercontent.com/612155/120583164-0b029800-c471-11eb-89da-ca43314ff1af.png">
Description
The block toolbar does not appear after selecting multiple blocks in the widgets editor.
Step-by-step reproduction instructions
Expected behaviour
The block toolbar should appear.
Actual behaviour
Behaviour is inconsistent. Sometimes no toolbar appears. Sometimes a toolbar for the last block appears.