I think I see what you mean. I would try to find a replacement.
Many times with auto pads they will include new clips, but I don't think I've ever seen them included with cycle pads.
I would call and talk to a Kawi parts person, and see if they have the answer and a part number. Or you can see if there is someone here that has a spare parts caliper sitting around with one that they will send you.
Make sure you clean and lube the sliding pins also.
Here's some brake related info that may be handy -
https://faq.ninja250.org/wiki/Brakes