Roughly strip out the GraphicalEffects

For some reason qt6 that we built still didn't like it.

Since we wanna know if the rest works, yeeting that stuff out for now

plugins/SimulationView/SimulationViewMenuComponent.qml

@@ -4,7 +4,6 @@
 import QtQuick 2.4
 import QtQuick.Layouts 1.1
 import QtQuick.Controls 2.1
-import Qt5Compat.GraphicalEffects
 
 import UM 1.5 as UM
 import Cura 1.0 as Cura

plugins/UM3NetworkPrinting/resources/qml/GenericPopUp.qml

@@ -3,7 +3,6 @@
 
 import QtQuick 2.2
 import QtQuick.Controls 2.0
-import Qt5Compat.GraphicalEffects
 import UM 1.3 as UM
 
 /**
@@ -60,16 +59,6 @@ Popup
     {
         anchors.fill: parent
 
-        DropShadow
-        {
-            anchors.fill: pointedRectangle
-            color: UM.Theme.getColor("monitor_shadow")
-            radius: UM.Theme.getSize("monitor_shadow_radius").width
-            source: pointedRectangle
-            transparentBorder: true
-            verticalOffset: 2 * screenScaleFactor
-        }
-
         Item
         {
             id: pointedRectangle

plugins/UM3NetworkPrinting/resources/qml/MonitorCarousel.qml

@@ -3,7 +3,6 @@
 
 import QtQuick 2.3
 import QtQuick.Controls 2.0
-import Qt5Compat.GraphicalEffects
 import UM 1.3 as UM
 
 Item

resources/qml/Account/AvatarImage.qml

@@ -3,7 +3,6 @@
 
 import QtQuick 2.10
 import QtQuick.Controls 2.3
-import Qt5Compat.GraphicalEffects
 
 import UM 1.4 as UM
 
@@ -35,6 +34,8 @@ Item
         color: hasAvatar ? "white" : "transparent"
     }
 
+    /*
+    TODO: Reimplement this without OpacityMask.
     OpacityMask
     {
         anchors.fill: parent
@@ -42,7 +43,7 @@ Item
         maskSource: profileImageMask
         visible: hasAvatar
         cached: true
-    }
+    }*/
 
     UM.RecolorImage
     {

resources/qml/ActionButton.qml

@@ -3,7 +3,6 @@
 
 import QtQuick 2.7
 import QtQuick.Controls 2.1
-import Qt5Compat.GraphicalEffects // For the dropshadow
 
 import UM 1.5 as UM
 import Cura 1.0 as Cura

resources/qml/Cura.qml

@@ -4,7 +4,6 @@
 import QtQuick 2.7
 import QtQuick.Controls 2.15
 import QtQuick.Dialogs 1.2
-import Qt5Compat.GraphicalEffects
 import UM 1.5 as UM
 import Cura 1.1 as Cura
 

resources/qml/EmptyViewMenuComponent.qml

@@ -3,7 +3,7 @@
 
 import QtQuick 2.10
 import QtQuick.Controls 2.3
-import Qt5Compat.GraphicalEffects // For the dropshadow
+
 
 import UM 1.2 as UM
 
@@ -12,6 +12,8 @@ Rectangle
 {
     color: UM.Theme.getColor("disabled")
 
+    /*
+    TODO: Reimplement later
     DropShadow
     {
         id: shadow
@@ -24,5 +26,5 @@ Rectangle
         color: UM.Theme.getColor("action_button_shadow")
         // Should always be drawn behind the background.
         z: parent.z - 1
-    }
+    }*/
 }

resources/qml/WelcomePages/WelcomeDialogItem.qml

@@ -4,7 +4,6 @@
 import QtQuick 2.10
 import QtQuick.Controls 2.3
 import QtQuick.Window 2.2
-import Qt5Compat.GraphicalEffects  // For the DropShadow
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
@@ -45,7 +44,8 @@ Item
     }
 
     // Drop shadow around the panel
-    DropShadow
+    // TODO: Maybe re-implement this some other way.
+    /*DropShadow
     {
         id: shadow
         radius: UM.Theme.getSize("first_run_shadow_radius").width
@@ -55,7 +55,7 @@ Item
         verticalOffset: shadowOffset
         color: UM.Theme.getColor("first_run_shadow")
         transparentBorder: true
-    }
+    }*/
 
     // Close this dialog when there's no more page to show
     Connections

resources/qml/WelcomePages/WhatsNewContent.qml

@@ -4,7 +4,6 @@
 import QtQuick 2.10
 import QtQuick.Controls 2.3
 import QtQuick.Layouts 1.3
-import Qt5Compat.GraphicalEffects // For the DropShadow
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
@@ -92,13 +91,6 @@ Item
                         source: manager.getSubpageImageSource(index)
                     }
 
-                    DropShadow {
-                        anchors.fill: subpageImage
-                        radius: UM.Theme.getSize("monitor_shadow_radius").width
-                        color: UM.Theme.getColor("first_run_shadow")
-                        source: subpageImage
-                    }
-
                     Cura.ScrollableTextArea
                     {
                         id: subpageText