fix date in deadline tooltip not padding 9s.

svelte-ui/src/components/DaysLeft.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+  import { formatDate } from "../utils/time";
   import EveryMinute from "./EveryMinute.svelte";
 
   export let startTime: Date | string = new Date();
@@ -14,12 +15,6 @@
   let titleTimeStr = "";
   let now = new Date();
 
-  function formatTime(time: Date): string {
-    const pad = (n:number) => n < 9 ? '0'+n : n.toString();
-
-    return `${time.getFullYear()}-${pad(time.getMonth()+1)}-${pad(time.getDate())}`
-  }
-
   $: {
     overdue = false;
     unit = "days";
@@ -66,7 +61,7 @@
       unit = unit.slice(0, 1);
     }
 
-    titleTimeStr = `${formatTime(new Date(startTime))} – ${formatTime(new Date(endTime))}`
+    titleTimeStr = `${formatDate(new Date(startTime))} – ${formatDate(new Date(endTime))}`
   }
 </script>