template: simplify seat number display

It would 0-pad based on the amount of seats in the location and prefix the seat display with a '#'.

Remove all that to avoid users trying to enter "#1", or "#042" in the web frontend. Instead just display "Sitzplatz 42".

src/serverMain/kotlin/com/studo/campusqr/endpoints/QrCodes.kt

@@ -148,16 +148,14 @@ fun FlowContent.renderLocation(location: ClientLocation, configs: Map<String, St
           div("small-pages-scaling-container") { // Scales content to 0.5
             // Render the two pages as if they were full-size
             for (seat in listOfNotNull(skippedSeat, if (skippedSeat < location.seatCount) skippedSeat + 1 else null)) {
-              val paddedSeat = seat.toString().padStart(location.seatCount.toString().length, '0')
-              renderQrCodePage("${location.name}", "#$paddedSeat", "${location.id}-$seat", configs, smallPage = true)
+              renderQrCodePage("${location.name}", seat.toString(), "${location.id}-$seat", configs, smallPage = true)
             }
           }
         }
       }
     } else {
       for (seat in 1..location.seatCount) {
-        val paddedSeat = seat.toString().padStart(location.seatCount.toString().length, '0')
-        renderQrCodePage("${location.name}", "#$paddedSeat", "${location.id}-$seat", configs, smallPage = false)
+        renderQrCodePage("${location.name}", seat.toString(), "${location.id}-$seat", configs, smallPage = false)
         div("break") {}
       }
     }