Added support to download QR codes to the QR code modal

src/common/services/ImageDownloader.ts

@@ -0,0 +1,13 @@
+import { AxiosInstance } from 'axios';
+import { saveUrl } from '../../utils/helpers/files';
+
+export class ImageDownloader {
+  public constructor(private readonly axios: AxiosInstance, private readonly window: Window) {}
+
+  public async saveImage(imgUrl: string, filename: string): Promise<void> {
+    const { data } = await this.axios.get(imgUrl, { responseType: 'blob' });
+    const url = URL.createObjectURL(data);
+
+    saveUrl(this.window, url, filename);
+  }
+}