iostool: Improve deployment speed using delta deploy

The iostool did always deploy the whole bundle, without taking
into account whether anything has actually changed. This meant
that for big bundles anytime the user starts the application
on his device, a full deployment was done.

For a ~1GB bundle this would take around a minute on a recent
Mac and iPhone 12.

This fix uses a new function from the mobiledevice framework
called AMDeviceSecureInstallApplicationBundle.
This function takes a new parameter "ShadowPathKey" which points
to a directory where the last deploy state is captured temporarily.

Before deploying to the device, the function compares
what is to be deployed against the last deploy state and
only deploys the parts that actually changed.

QtCreator provides a temporary folder for this. Due to this,
the initial deployment still does a complete deployment as
no state is available yet. All subsequent deployments
take the captured state into account.

For backwards compatibility, the old deployment method is left intact.

Fixes: QTCREATORBUG-24371
Change-Id: I4df6aa79d41b34c326d78be7952d7eeb23774648
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/plugins/ios/iostoolhandler.cpp

@@ -38,6 +38,7 @@
 #include <utils/qtcassert.h>
 #include <utils/qtcprocess.h>
 #include <utils/runextensions.h>
+#include <utils/temporarydirectory.h>
 
 #include <QCoreApplication>
 #include <QDir>
@@ -701,10 +702,14 @@ void IosDeviceToolHandlerPrivate::requestTransferApp(const QString &bundlePath,
 {
     m_bundlePath = bundlePath;
     m_deviceId = deviceId;
+    QString tmpDeltaPath = Utils::TemporaryDirectory::masterDirectoryFilePath().pathAppended("ios").toString();
     QStringList args;
     args << QLatin1String("--id") << deviceId << QLatin1String("--bundle")
          << bundlePath << QLatin1String("--timeout") << QString::number(timeout)
-         << QLatin1String("--install");
+         << QLatin1String("--install")
+         << QLatin1String("--delta-path")
+         << tmpDeltaPath;
+
     start(IosToolHandler::iosDeviceToolPath(), args);
 }