Add platform override support for hotkeys and unhardcode editor hotkeys

mods/common/chrome/editor.yaml

@@ -573,7 +573,7 @@ Container@EDITOR_WORLD_ROOT:
 			TooltipText: Copy
 			TooltipContainer: TOOLTIP_CONTAINER
 			Font: Bold
-			Key: c ctrl
+			Key: EditorCopy
 		DropDownButton@COPYFILTER_BUTTON:
 			X: 170
 			Width: 140
@@ -586,7 +586,7 @@ Container@EDITOR_WORLD_ROOT:
 			Width: 70
 			Text: Undo
 			Font: Bold
-			Key: z ctrl
+			Key: EditorUndo
 			TooltipTemplate: BUTTON_TOOLTIP
 			TooltipText: Undo last step
 			TooltipContainer: TOOLTIP_CONTAINER
@@ -596,7 +596,7 @@ Container@EDITOR_WORLD_ROOT:
 			Width: 70
 			Text: Redo
 			Font: Bold
-			Key: y ctrl
+			Key: EditorRedo
 			TooltipTemplate: BUTTON_TOOLTIP
 			TooltipText: Redo last step
 			TooltipContainer: TOOLTIP_CONTAINER

mods/common/chrome/settings-hotkeys.yaml

@@ -21,6 +21,8 @@ Container@HOTKEYS_PANEL:
 				Types: Chat
 			Control Groups:
 				Types: ControlGroups
+			Editor Commands:
+				Types: Editor
 	Width: PARENT_RIGHT
 	Height: PARENT_BOTTOM
 	Children:

mods/common/hotkeys/editor.yaml

@@ -0,0 +1,21 @@
+EditorUndo: Z Ctrl
+	Description: Undo
+	Types: Editor
+	Contexts: Editor
+	Platform:
+		OSX: Z Meta
+
+EditorRedo: Y Ctrl
+	Description: Redo
+	Types: Editor
+	Contexts: Editor
+	Platform:
+		OSX: Z Meta, Shift
+		Linux: Z Ctrl, Shift
+
+EditorCopy: C Ctrl
+	Description: Copy
+	Types: Editor
+	Contexts: Editor
+	Platform:
+		OSX: C Meta