fix(scan) fix scan for code

src/app/scan/scan.component.html

-<ion-content color="transparent"></ion-content>
+<ion-content [color]="'transparent'"></ion-content>

src/app/scan/scan.component.scss

 :host {
-  --ion-background-color: transparent;
-  --background: transparent;
+  --ion-background-color: transparent !important;
+  --background: transparent !important;
+
+}
+
+::ng-deep .md body.dark {
+  --ion-background-color: transparent !important;
+  --background: transparent !important;
 }