Fixed #10306 - cast purchase cost to a float

Signed-off-by: snipe <[email protected]>

Author: snipe

app/Helpers/Helper.php

@@ -123,9 +123,9 @@ public static function formatCurrencyOutput($cost)
         if (is_numeric($cost)) {
 
             if (Setting::getSettings()->digit_separator=='1.234,56') {
-                return number_format($cost, 2, ',', '.');
+                return (float) number_format($cost, 2, ',', '.');
             }
-            return number_format($cost, 2, '.', ',');
+            return (float) number_format($cost, 2, '.', ',');
         }
         // It's already been parsed.
         return $cost;