utility.presence: fix equal timestamps for bar

src/modules/utility.js

@@ -770,7 +770,10 @@ presence.callback = async function (msg, line) {
             const timeEnd = formatTime(length);
             const timePos = formatTime(position);
 
-            const progress = position / length;
+            const progress =
+              activity.timestamps.start == activity.timestamps.end
+                ? 1
+                : position / length;
             const barLength = Math.round(progress * NOWPLAYING_BAR_LENGTH);
 
             const bar = `\`[${"=".repeat(barLength)}${" ".repeat(