fix: make asset paths absolute

.phpenv

@@ -56,7 +56,7 @@
 	 * @var string $QR_CODES_RELATIVE
 	 * Web-relative path to served QR codes.
 	 */
-	$QR_CODES_RELATIVE="qr-codes";
+	$QR_CODES_RELATIVE="/qr-codes";
 
 	/**
 	 * @var string $ROOM_ICONS_CACHE
@@ -74,7 +74,7 @@
 	 * @var string $ROOM_ICONS_RELATIVE
 	 * Web-relative path to served room icons.
 	 */
-	$ROOM_ICONS_RELATIVE="icons";
+	$ROOM_ICONS_RELATIVE="/icons";
 
 	/**
 	 * @var string $LONG_TERM_CACHE_ROOT

output/js/util.js

@@ -190,7 +190,7 @@ export const IDENTIFIER_PASTE = "Copied internal room identifier. Use it to iden
 
 export const DETAILS_LINK_PASTE = "Copied link to Community details.";
 
-export const communityQRCodeURL = (communityID) => `qr-codes/${communityID}.png`
+export const communityQRCodeURL = (communityID) => `/qr-codes/${communityID}.png`
 
 export const COLUMN = {
 	LANGUAGE:     0,  NAME:         1,