Submitted by abitowhit on Sat, 05/07/2022 - 19:02
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I discovered today that I was able to search in the project hierarchy by using t: followed by the object type.
I also noticed that I was able to delimit by using something similar to t:object1,t:object2.
In my case it was searching for canvas objects which had no camera set.
t:canvas,t:camera
Using this I was able to get the canvas in the hierarchy and then drag/drop the camera object into the inspector camera field on the canvas.