Replace static_casts by QOverload where possible

Mainly to get rid of the QProcess::finished deprecation warning.

Also adjust coding style in the surrounding connects when needed.

Change-Id: I12f9b248c7974b892c4a069356e578e80f8c59e9
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/android/androidmanifesteditorwidget.cpp

@@ -202,10 +202,10 @@ void AndroidManifestEditorWidget::initializePage()
         connect(m_versionNameLinedit, &QLineEdit::textEdited,
                 this, setDirtyFunc);
         connect(m_androidMinSdkVersion,
-                static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+                QOverload<int>::of(&QComboBox::currentIndexChanged),
                 this, setDirtyFunc);
         connect(m_androidTargetSdkVersion,
-                static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+                QOverload<int>::of(&QComboBox::currentIndexChanged),
                 this, setDirtyFunc);
 
     }