Added confimation dialog for overwrite/delete

Author: Causeless

Data/Base.rte/GUIs/SaveLoadMenuGUI.ini

@@ -184,4 +184,60 @@ Name = ActivityCannotBeSavedWarning
 Anchor = Left, Top
 Text = The currently played activity does not allow saving.
 HAlignment = Centre
-VAlignment = Centre
+VAlignment = Centre
+
+[ConfirmDialog]
+ControlType = COLLECTIONBOX
+Parent = root
+X = 190
+Y = 100
+Width = 166
+Height = 90
+Visible = True
+Enabled = True
+Name = ConfirmDialog
+Anchor = Left, Top
+DrawBackground = True
+DrawType = Image
+DrawColor = 0
+
+[ConfirmLabel]
+ControlType = LABEL
+Parent = ConfirmDialog
+X = 10
+Y = 10
+Width = 146
+Height = 46
+Visible = True
+Enabled = True
+Name = ConfirmLabel
+Anchor = Left, Top
+Text = CONFIRM?
+HAlignment = centre
+VAlignment = top
+
+[ConfirmButton]
+ControlType = BUTTON
+Parent = ConfirmDialog
+X = 10
+Y = 60
+Width = 70
+Height = 20
+Visible = True
+Enabled = True
+Name = ConfirmButton
+Anchor = Left, Top
+Text = Confirm
+
+[CancelButton]
+ControlType = BUTTON
+Parent = ConfirmDialog
+X = 85
+Y = 60
+Width = 70
+Height = 20
+Visible = True
+Enabled = True
+Name = CancelButton
+Anchor = Left, Top
+Text = Cancel