Improve mobile app initialization and range widget corner indicator

src/lib/utils.ts

@@ -108,3 +108,13 @@ export function getNodeInfo(nodeId: number): string {
     const title = app.lGraph.getNodeById(nodeId)?.title || String(nodeId);
     return title + " (" + nodeId + ")"
 }
+
+export const debounce = (callback: Function, wait = 250) => {
+    let timeout: NodeJS.Timeout | null = null;
+    return (...args: Array<unknown>) => {
+        const next = () => callback(...args);
+        if (timeout) clearTimeout(timeout);
+
+        timeout = setTimeout(next, wait);
+    };
+};