Fix battery time showing hours instead of minutes (#5137)

When upower reported time in minutes, the value was incorrectly
passed through the hours conversion path, displaying e.g. "25h"
instead of "25m".

bin/omarchy-battery-remaining-time

@@ -7,19 +7,16 @@ battery_info=$(upower -i $(upower -e | grep BAT))
 echo "$battery_info" | awk '/time to (empty|full)/ {
     value = $4
     unit = $5
-    if (unit == "minutes") {
-        hours = int(value / 60)
-        minutes = int(value % 60)
+    if (unit ~ /^minute/) {
+        printf "%dm", int(value)
     } else {
         hours = int(value)
         minutes = int((value - hours) * 60)
-    }
-    if (hours > 0 && minutes > 0) {
-        printf "%dh %dm", hours, minutes
-    } else if (hours > 0) {
-        printf "%dh", hours
-    } else {
-        printf "%dm", minutes
+        if (minutes > 0) {
+            printf "%dh %dm", hours, minutes
+        } else {
+            printf "%dh", hours
+        }
     }
     exit
 }'