less aggressive flash when color/species loads in

src/app/SpeciesColorPicker.js

@@ -61,6 +61,14 @@ function SpeciesColorPicker({
       _hover={{
         borderColor: "green.400",
       }}
+      _disabled={{
+        // Visually the disabled state is the same as the normal state, but
+        // with a wait cursor. We don't expect this to take long, and the flash
+        // of content is rough! (The caret still flashes, but that's small and
+        // harder to style in Chakra.)
+        opacity: 1,
+        cursor: "wait",
+      }}
       isInvalid={valids && !pairIsValid(valids, speciesId, colorId)}
       errorBorderColor="red.300"
       {...props}