Some file renaming

Contributes to CURA-5378

resources/qml/Preferences/Materials/MaterialsBrandSection.qml

@@ -82,7 +82,7 @@ Rectangle
         Repeater
         {
             model: types_model
-            delegate: MaterialTypeSection {}
+            delegate: MaterialsTypeSection {}
         }
     }
 }

resources/qml/Preferences/Materials/MaterialsDetailsPanel.qml

@@ -50,7 +50,7 @@ Item
             }
         }
 
-        MaterialView    // Material detailed information view below the title Label
+        MaterialsView    // Material detailed information view below the title Label
         {
             id: materialDetailsView
             anchors

resources/qml/Preferences/Materials/MaterialsList.qml

@@ -94,7 +94,7 @@ Item
                 Repeater
                 {
                     model: favoriteMaterialsModel
-                    delegate: MaterialSlot {
+                    delegate: MaterialsSlot {
                         material: model
                     }
                 }
@@ -171,7 +171,7 @@ Item
                 Repeater
                 {
                     model: genericMaterialsModel
-                    delegate: MaterialSlot {
+                    delegate: MaterialsSlot {
                         material: model
                     }
                 }
@@ -181,7 +181,7 @@ Item
         {
             id: brand_list
             model: materialsModel
-            delegate: MaterialBrandSection {}
+            delegate: MaterialsBrandSection {}
         }
     }
 }

resources/qml/Preferences/Materials/MaterialsTypeSection.qml

@@ -89,7 +89,7 @@ Rectangle
         Repeater
         {
             model: colors_model
-            delegate: MaterialSlot {
+            delegate: MaterialsSlot {
                 material: model
             }
         }