web: replace all occurences of the theme placeholder (#10749)

Replace all occurences of the theme placeholder

This allows the placeholder to occur multiple times in the theme url.

Signed-off-by: Chasethechicken <neuringe1234@gmail.com>

web/src/elements/utils/images.ts

@@ -9,5 +9,5 @@ export function themeImage(rawPath: string) {
             ? UiThemeEnum.Light
             : UiThemeEnum.Dark;
     }
-    return rawPath.replace("%(theme)s", enabledTheme);
+    return rawPath.replaceAll("%(theme)s", enabledTheme);
 }