delete state.token instead of setting false

src/modules/oauth.js

+import { delete as del } from 'vue'
+
 const oauth = {
   state: {
     clientId: false,
@@ -25,7 +27,9 @@ const oauth = {
     },
     clearToken (state) {
       state.userToken = false
-      state.token = false
+      // state.token is userToken with older name, coming from persistent state
+      // let's clear it as well, since it is being used as a fallback of state.userToken
+      del(state, 'token')
     }
   },
   getters: {