Fix serialization to dictionaries

public/workers/message_packet_worker.js

@@ -63,6 +63,14 @@ function GetCircularReplacerKeepDataStructure()
       return;
     }
 
+    if (key === 'containers') {
+      return Object.fromEntries(value);
+    }
+
+    if (key === 'symbols') {
+      return Object.fromEntries(value);
+    }
+
     return value;
   };
 }

public/workers/message_worker.js

@@ -33,6 +33,14 @@ function GetCircularReplacerKeepDataStructure()
       return;
     }
 
+    if (key === 'containers') {
+      return Object.fromEntries(value);
+    }
+
+    if (key === 'symbols') {
+      return Object.fromEntries(value);
+    }
+
     return value;
   };
 }

src/utils/saveload.ts

@@ -83,6 +83,14 @@ export function GetCircularReplacerKeepDataStructure(): (key: any, value: object
       return;
     }
 
+    if (key === 'containers') {
+      return Object.fromEntries(value as Map<string, any>);
+    }
+
+    if (key === 'symbols') {
+      return Object.fromEntries((value as Map<string, any>));
+    }
+
     return value;
   };
 }