Always include minutes in bookmark title.

E.g. 3-6 is not descriptive enough. Better to write 0:03–0:06.

app/create-bookmarks/background.js

@@ -1,16 +1,14 @@
 import { makeRemotelyCallable } from 'webextension-rpc';
 
-// Format time as S, or M:SS, or H:MM:SS, depending on which would be needed to express maxSeconds.
-// E.g. secondsToString(12) === '12', but secondsToString(12, 3600) === '0:00:12'.
+// Format time as M:SS, or H:MM:SS, depending on which would be needed to express maxSeconds.
+// E.g. secondsToString(12) === '0:12', but secondsToString(12, 3600) === '0:00:12'.
 function secondsToString(seconds, maxSeconds) {
 	let s = `${Math.round(seconds % 60)}`;
 	let m = '';
 	let h = '';
 	const minutes = Math.floor(seconds / 60);
-	if (minutes || maxSeconds >= 60) {
-		m = `${minutes % 60}:`;
-		if (!/^\d\d/.test(s)) s = '0' + s;
-	}
+	m = `${minutes % 60}:`;
+	if (!/^\d\d/.test(s)) s = '0' + s;
 	if (seconds >= 60 * 60 || maxSeconds >= 60 * 60) {
 		h = `${Math.floor(minutes / 60)}:`;
 		if (m.length <= 2) m = '0' + m;