QTQuick.Dialogs jumped to using 6.0 in QT6

Update imports to use correct version number.

CURA-8640

plugins/FirmwareUpdater/FirmwareUpdaterMachineAction.qml

@@ -5,7 +5,7 @@ import QtQuick 2.2
 import QtQuick.Controls 2.1
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.1
-import QtQuick.Dialogs 1.2 // For filedialog
+import QtQuick.Dialogs 6.0 // For filedialog
 
 import UM 1.5 as UM
 import Cura 1.0 as Cura

plugins/Marketplace/resources/qml/LicenseDialog.qml

@@ -2,7 +2,6 @@
 //Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.10
-import QtQuick.Dialogs 1.1
 import QtQuick.Window 2.2
 import QtQuick.Controls 2.3
 import QtQuick.Layouts 1.3

resources/qml/Cura.qml

@@ -3,7 +3,7 @@
 
 import QtQuick 2.7
 import QtQuick.Controls 2.15
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs 6.0
 import UM 1.5 as UM
 import Cura 1.1 as Cura
 

resources/qml/Preferences/Materials/MaterialsPage.qml

@@ -3,7 +3,7 @@
 
 import QtQuick 2.7
 import QtQuick.Controls 2.15
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs 6.0
 
 import UM 1.5 as UM
 import Cura 1.5 as Cura

resources/qml/Preferences/Materials/MaterialsSyncDialog.qml

@@ -3,7 +3,7 @@
 
 import QtQuick 2.15
 import QtQuick.Controls 2.15
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs 6.0
 import QtQuick.Layouts 1.15
 import QtQuick.Window 2.1
 import Cura 1.1 as Cura

resources/qml/Preferences/Materials/MaterialsView.qml

@@ -3,7 +3,7 @@
 
 import QtQuick 2.7
 import QtQuick.Controls 2.15
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs 6.0
 import QtQuick.Layouts 1.3
 
 import UM 1.5 as UM

resources/qml/Preferences/ProfilesPage.qml

@@ -4,7 +4,7 @@
 import QtQuick 2.7
 import QtQuick.Controls 2.15
 import QtQuick.Layouts 1.3
-import QtQuick.Dialogs 1.2
+import QtQuick.Dialogs 6.0
 
 import UM 1.5 as UM
 import Cura 1.6 as Cura