fix(OC_Template.php): ensure we throw all errors

In one branch of the try/catch combination, in one specific path no error was thrown at all, thus the user ended up with a 500 error page online but absolutely no error anyway in the logs.

Signed-off-by: Bram <cortex@worlddomination.be>

lib/private/legacy/OC_Template.php

@@ -311,6 +311,9 @@ public static function printExceptionErrorPage($exception, $statusCode = 503) {
 			print("The server encountered an internal error and was unable to complete your request.\n");
 			print("Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\n");
 			print("More details can be found in the server log.\n");
+
+			// and then throw it again to log it at least to the web server error log
+			throw $e;
 		}
 		die();
 	}