Fix multiple small issues with lineup

[JackWilb]

Does this PR close any open issues?

Depends on #393 Closes #261 Closes #262 Closes #384

Give a longer description of what this PR addresses and why it's needed

Fixes a ton of small issues that have been affecting the lineup vis

Provide pictures/videos of the behavior before and after these changes (optional)

For #262:

Are there any additional TODOs before this PR is ready to go?

TODOs:

• [x] See if we can do #384
• [x] See if we can do #262
• [x] See if we can do #261
• [x] Make lineup height reactive to matrix resize
• [x] Make lineup resize correctly with intermediate node table

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[JackWilb]

I've edited the above comment to link the the new issues that I've created for them