[Chore/Refactor] Add missing 'type' attribute on 'button' components (#26249)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: asukaminato0721 <30024051+asukaminato0721@users.noreply.github.com>

web/app/components/datasets/documents/operations.tsx

@@ -177,7 +177,7 @@ const Operations = ({
           popupClassName='text-text-secondary system-xs-medium'
           needsDelay={false}
         >
-          <button
+          <button type="button"
             className={cn('mr-2 cursor-pointer rounded-lg',
               !isListScene
                 ? 'border-[0.5px] border-components-button-secondary-border bg-components-button-secondary-bg p-2 shadow-xs shadow-shadow-shadow-3 backdrop-blur-[5px] hover:border-components-button-secondary-border-hover hover:bg-components-button-secondary-bg-hover'