fix(client): make confirmation modals dismiss on ESC

Wire the dialog's onClose to onCancel for keyboard escape but ignore backdrop clicks so users can't lose work by clicking outside the modal.

client/src/Components/inputs/Dialog.tsx

@@ -46,6 +46,9 @@ export const DialogInput = ({
 			open={open}
 			maxWidth={maxWidth}
 			fullWidth={fullWidth}
+			onClose={(_event, reason) => {
+				if (reason !== "backdropClick" && onCancel) onCancel(undefined);
+			}}
 		>
 			{title && <DialogTitle sx={{ fontSize: typographyLevels.l }}>{title}</DialogTitle>}
 			<DialogContent>