Impreve Dag run and Task Instance notes

[jscheffl]

Follow-up of #51764

As @pierrejeambrun and @bbovenzi had some feedback, this adds an accordion and limits the maximum space used, add an option to hide notes.

Better like this?

https://github.com/user-attachments/assets/873b1a47-68a2-4489-b9f8-daaa40fa9cf7