fix(fuselage): Add default type prop to button (#760)

Author: gabriellsh

packages/fuselage/src/components/Button/IconButton.tsx

@@ -68,6 +68,7 @@ export const IconButton = forwardRef(
     return (
       <Box
         is='button'
+        type='button'
         rcx-button
         rcx-button--icon
         rcx-button--square={square}