Move shbang lines to before copyright headers

They don't work unless #! are the first two bytes of the file.
This is a fix-up for commit d6bc761

Change-Id: I83c976a538a67eef3d40b50674a255d6e2f3205a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lucie Gerard <lucie.gerard@qt.io>

tests/auto/corelib/io/qresourceengine/generateResources.sh

@@ -1,6 +1,6 @@
+#!/bin/sh
 # Copyright (C) 2016 Intel Corporation.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-#!/bin/sh
 count=`awk '/ZERO_FILE_LEN/ { print $3 }' tst_qresourceengine.cpp`
 dd if=/dev/zero of=zero.txt bs=1 count=$count
 rcc --binary -o uncompressed.rcc --no-compress compressed.qrc

tests/testserver/echo/echo.sh

@@ -1,6 +1,6 @@
+#!/usr/bin/env bash
 # Copyright (C) 2024 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-#!/usr/bin/env bash
 
 # Disabled by default, enable it.
 sed -i 's/disable\t\t= yes/disable = no/' /etc/xinetd.d/echo