fix(overmind-devtools-client): add default delimiter for compatability

Author: christianalfoni

packages/node_modules/overmind-devtools-client/src/overmind/operators.ts

@@ -59,7 +59,7 @@ export const addStateAndActions: () => Operator<InitMessage> = () =>
     state.apps[message.appName].connectionState = 'connected'
     state.apps[message.appName].state = message.data.state
     state.apps[message.appName].actionPaths = message.data.actions
-    state.apps[message.appName].delimiter = message.data.delimiter
+    state.apps[message.appName].delimiter = message.data.delimiter || '.'
   })
 
 export const addFlush: () => Operator<FlushMessage> = () =>