Fix Time.timeToString() not showing leading 0 in minute on clock

Author: sxprz

src/utils/Time.re

@@ -2,13 +2,9 @@ open Unix
 
 let timeToString = (time) => {
     let rawMinutes = string_of_int(time.tm_min);
-    let minutes = if (String.length(rawMinutes) == 1) {
-        "0"
-    } else {
-        ""
-    } ++ rawMinutes;
 
-    minutes
+    rawMinutes
+    |> String.cat(if (String.length(rawMinutes) == 1) { "0" } else { "" })
     |> String.cat(":")
     |> String.cat(string_of_int(time.tm_hour))
     |> String.cat(" ");