When Container fold, it will have a long "unnecessary" line leave in some situations

[Lj-dog]

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• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

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Describe the bug
A clear and concise description of what the bug is.
The description as the title.

Picture1
when I fold the container, the line will be this.

Picture2
When change the waypoint,

Picture3
The line will be moved automatically. And look mess , overlap with others graphics(don't want it, Bad).
then when fold the container, the line will be short, look efficient(what I wanted, Good)

Picture4
But, after I adjust the line for good look, it will happen again.

Picture5

Picture6

To Reproduce
Steps to reproduce the behavior:

1. Draw a long flow chart in the container.
2. Connect the graphic in the bottom of the container and the graphic outside the top of the container.

Expected behavior
A clear and concise description of what you expected to happen.
when container expand, like Picture1.
when container fold, like Picture4.
Screenshots
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draw.io version (In the Help->About menu of the draw.io editor):

• draw.io version x.y.z
  Desktop v24.7.17
  Desktop (please complete the following information):
• OS: Windows, MacOS, Linux...
  Windows10 Professional
  Additional context
  Add any other context about the problem here.