Add hotkey settings panel with a hotkey remap dialog

* Add HotkeyDialogLogic.cs
* Add dialog-hotkey.yaml to all mods
* Add `GetFirstDuplicate` method to HotkeyManager to aid in validation
* Add "Player" and/or "Spectator" type to all hotkeys to allow for
validation based on overlapping types
* Change settings.yaml and SettingsLogic.cs to work with the new dialog

mods/common/chrome/dialog-hotkey.yaml

@@ -0,0 +1,69 @@
+Background@HOTKEY_DIALOG:
+	Logic: HotkeyDialogLogic
+	Width: PARENT_RIGHT
+	Height: PARENT_BOTTOM
+	Background: dialog3
+	Children:
+		Label@HOTKEY_LABEL:
+			X: 20
+			Y: 14
+			Width: PARENT_RIGHT - 40
+			Height: 25
+			Font: Bold
+		HotkeyEntry@HOTKEY_ENTRY:
+			X: 20
+			Y: 40
+			Width: 280
+			Height: 25
+		Container@NOTICES:
+			X: 20
+			Y: 65
+			Width: PARENT_RIGHT - 40
+			Height: 25
+			Children:
+				Label@DEFAULT_NOTICE:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
+					Font: Tiny
+					Align: Left
+					Text: This is the default
+				Label@ORIGINAL_NOTICE:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
+					Font: Tiny
+					Align: Left
+					Text: The default is "{0}"
+				Label@DUPLICATE_NOTICE:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
+					Font: Tiny
+					Align: Left
+					Text: This hotkey is already used for "{0}"
+		Button@CLEAR_BUTTON:
+			X: PARENT_RIGHT - 3 * WIDTH - 40
+			Y: 41
+			Width: 65
+			Height: 25
+			Text: Clear
+			TooltipText: Unbind the hotkey
+			TooltipContainer: TOOLTIP_CONTAINER
+			TooltipTemplate: SIMPLE_TOOLTIP
+		Button@RESET_BUTTON:
+			X: PARENT_RIGHT - 2 * WIDTH - 30
+			Y: 41
+			Width: 65
+			Height: 25
+			Text: Reset
+			TooltipText: Reset to default
+			TooltipContainer: TOOLTIP_CONTAINER
+			TooltipTemplate: SIMPLE_TOOLTIP
+		Button@CANCEL_BUTTON:
+			X: PARENT_RIGHT - WIDTH - 20
+			Y: 41
+			Width: 65
+			Height: 25
+			Text: Cancel
+			TooltipText: Cancel the operation
+			TooltipContainer: TOOLTIP_CONTAINER
+			TooltipTemplate: SIMPLE_TOOLTIP
+		TooltipContainer@TOOLTIP_CONTAINER: