allow QGZ files in selections

Author: Gustry

src/app/qgisapp.cpp

@@ -4367,6 +4367,7 @@ void QgisApp::updateProjectFromTemplates()
                             QgsApplication::qgisSettingsDirPath() + "project_templates" ).toString();
   QDir templateDir( templateDirName );
   QStringList filters( QStringLiteral( "*.qgs" ) );
+  filters << QStringLiteral( "*.qgz" );
   templateDir.setNameFilters( filters );
   QStringList templateFiles = templateDir.entryList( filters );
 

src/app/qgsoptions.cpp

@@ -1285,7 +1285,7 @@ void QgsOptions::selectProjectOnLaunch()
   QString projPath = QFileDialog::getOpenFileName( this,
                      tr( "Choose project file to open at launch" ),
                      lastUsedDir,
-                     tr( "QGIS files" ) + " (*.qgs *.QGS)" );
+                     tr( "QGIS files" ) + " (*.qgs *.qgz *.QGS *.QGZ)" );
   if ( !projPath.isNull() )
   {
     mProjectOnLaunchLineEdit->setText( projPath );