WebUI: use native event listeners for keyboard events

PR #21924.

src/webui/www/private/shareratio.html

@@ -16,25 +16,20 @@
         const UseGlobalLimit = -2;
         const NoLimit = -1;
 
-        new Keyboard({
-            defaultEventType: "keydown",
-            events: {
-                "Enter": function(event) {
-                    $("save").click();
-                    event.preventDefault();
-                },
-                "Escape": function(event) {
-                    window.parent.qBittorrent.Client.closeFrameWindow(window);
-                    event.preventDefault();
-                },
-                "Esc": function(event) {
-                    window.parent.qBittorrent.Client.closeFrameWindow(window);
-                    event.preventDefault();
-                }
-            }
-        }).activate();
-
         window.addEventListener("DOMContentLoaded", () => {
+            window.addEventListener("keydown", (event) => {
+                switch (event.key) {
+                    case "Enter":
+                        event.preventDefault();
+                        $("save").click();
+                        break;
+                    case "Escape":
+                        event.preventDefault();
+                        window.parent.qBittorrent.Client.closeFrameWindow(window);
+                        break;
+                }
+            });
+
             const hashesList = new URI().getData("hashes").split("|");
             const origValues = new URI().getData("orig").split("|");