Changed .keyCode to .key for files in "src"

src/ui/React/CodingContractModal.tsx

@@ -37,7 +37,7 @@ export function CodingContractModal(): React.ReactElement {
     // whatever ...
     const value = (event.target as any).value;
 
-    if (event.keyCode === KEY.ENTER && value !== "") {
+    if (event.key === KEY.ENTER && value !== "") {
       event.preventDefault();
       props.onAttempt(answer);
       setAnswer("");