feat(frontend): set read-only on load if read-only whiteboard

src/js/main.js

@@ -685,6 +685,9 @@ function initWhiteboard() {
             ReadOnlyService.deactivateReadOnlyMode();
             InfoService.displayInfo();
         }
+
+        // In any case, if we are on read-only whiteboard we activate read-only mode
+        if (ConfigService.isReadOnly) ReadOnlyService.activateReadOnlyMode();
     });
 
     //Prevent site from changing tab on drag&drop

src/js/services/ReadOnlyService.js

@@ -1,3 +1,5 @@
+import ConfigService from "./ConfigService";
+
 /**
  * Class the handle the read-only logic
  */
@@ -40,6 +42,8 @@ class ReadOnlyService {
      * Deactivate read-only mode
      */
     deactivateReadOnlyMode() {
+        if (ConfigService.isReadOnly) return;
+
         this.#readOnlyActive = false;
 
         $(".whiteboard-tool").prop("disabled", false);