🤔 [QUESTION]线图层的端点如何共享

[Troy-es]

🐛 Question description [Please make everyone to understand it]

当有多次绘制的情况 线段A 中的任意点 无法作为线段B的开始点
目前只能通过吸附功能 让线段A中的点作为 线段B的途中点

💻 Link to minimal reproduction

Please provide a link by forking these links L7 Draw or GitHub repo. What is a minimal reproduction, and why is it required?

🏞 Expected result

🚑 Any additional [like screenshots]

• L7Draw Version:
• Platform: