Fixing all the stuff

lib/src/multimessageBroker.ts

@@ -191,8 +191,10 @@ export default class MultiMessageBroker {
             }
         }
         else {
-            const mapping = getMapping(request.target);
-            mapping.forms = mapping.forms.filter((form: InterfaceForm) => form.op.toLocaleLowerCase() === request.type.toLocaleLowerCase());
+            // Because of references we need to clone this thing as we will modify it
+            const mappingOrig = getMapping(request.target);
+            const mapping = { ...mappingOrig };
+            mapping.forms = mappingOrig.forms.filter((form) => form.op.toLocaleLowerCase() === request.type.toLocaleLowerCase()) as any;
 
             if (mapping.forms.length === 0) throw new ReferenceError(`No form found for ${(request.target as any).idShort} with operation ${request.type}`);