feat: 1211 display and edit bec values

[craigyu]

Description

Closes #1211

Note that the app's UI is outdated, so it won't look the same as Figma, we'll need to have another task for it

BEC Zone and SPU data are read only

Changelog

New

• Display BEC Values, Collection Geo data
• Validate Inputs

Changed

• [backend] Fill in seed_plan_unit upon submitting a seedlot form

Removed

• None

How was this tested?

• [ ] 🧠 Not needed
• [ ] 👀 Eyeball
• [ ] 🤖 Added tests

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