Fix dangling blue cursor when targeting dead units

Core/BindingProcessor.lua

@@ -267,6 +267,9 @@ local function GetMacroForBindings(bindings)
 		end
 	end
 
+	-- add a segment to remove the blue casting cursor
+	table.insert(result, "/click " .. Clicked.STOP_CASTING_BUTTON_NAME)
+
 	-- Now sort the actions according to the above schema
 
 	table.sort(actions, SortActions)

Core/CommandProcessor.lua

@@ -2,7 +2,10 @@ Clicked.COMMAND_ACTION_TARGET = "target"
 Clicked.COMMAND_ACTION_MENU = "menu"
 Clicked.COMMAND_ACTION_MACRO = "macro"
 
+Clicked.STOP_CASTING_BUTTON_NAME = "ClickedStopCastingButton"
+
 local macroFrameHandlers = {}
+local stopCastingButton
 
 local function GetCommandAttributeIdentifier(command, isClickCastCommand)
 	-- separate modifiers from the actual binding
@@ -110,6 +113,11 @@ function Clicked:ProcessCommands(commands)
 	local newClickCastFrameAttributes = {}
 	local nextMacroFrameHandler = 1
 
+	if stopCastingButton == nil then
+		stopCastingButton = CreateFrame("Button", self.STOP_CASTING_BUTTON_NAME, nil, "SecureActionButtonTemplate")
+		stopCastingButton:SetAttribute("type", "stop")
+	end
+
 	for _, command in ipairs(commands) do
 		local isHoverCastBinding = command.mode == self.TARGETING_MODE_HOVERCAST
 		local prefix, suffix, isMouseButton = GetCommandAttributeIdentifier(command, isHoverCastBinding)