logviewer: preserve horizontal scroll position

frontend/src/components/LogsViewer.vue

@@ -20,7 +20,7 @@
       <div v-for="line in logLines" :key="line.id" class="log-line">
         <span class="time">{{ line.time }}</span><span v-html="line.html"></span>
       </div>
-      <div ref="scrollAnchor" class="bottom-spacer"></div>
+      <div class="bottom-spacer"></div>
     </template>
   </MainLayout>
 </template>
@@ -144,7 +144,7 @@ export default {
       if (!tmp) return;
 
       const autoScroll = tmp.scrollTop > (tmp.scrollHeight - tmp.clientHeight - 34);
-      if (autoScroll) setTimeout(() => this.$refs.scrollAnchor.scrollIntoView(false), 1);
+      if (autoScroll) setTimeout(() => tmp.scrollTop = tmp.scrollHeight, 1);
     }, function (error) {
       console.error('Failed to start log stream:', error);
     })