fix non-timeline routes breaking current/previous timeline

src/components/timeline/timeline.vue

@@ -1,7 +1,7 @@
 <template>
   <div :class="classes.root">
     <div :class="classes.header">
-      <TimelineMenu />
+      <TimelineMenu v-if="!embedded" />
       <div
         v-if="timelineError"
         class="loadmore-error alert error"

src/components/timeline_menu/timeline_menu.js

@@ -26,7 +26,9 @@ const TimelineMenu = {
     if (this.currentUser && this.currentUser.locked) {
       this.$store.dispatch('startFetchingFollowRequests')
     }
-    this.$store.dispatch('setLastTimeline', this.$route.name)
+    if (timelineNames().includes(this.$route.name)) {
+      this.$store.dispatch('setLastTimeline', this.$route.name)
+    }
   },
   methods: {
     openMenu () {