fix(scroll-nav-bar): sync txts too

src/components/scroll-nav-bar/scroll-nav-bar.vue

@@ -83,6 +83,9 @@
           this.usedTxts = newLabels
         }
       },
+      txts(newTxts) {
+        this.usedTxts = newTxts
+      },
       current(newVal) {
         this.active = newVal
       },