Don't send to homepage after deleting page within fictitious record set

[bronwyncombs]

Describe the bug When in a fictitious record set, deleting a record brings back to home page. This is true even if deleting the newest record.

To Reproduce Steps to reproduce the behavior:

1. Go to Data Entry
2. Create fictitious record set using Clone, Carry Forward and/or Add buttons
3. Delete a record
4. See error

Expected behavior Should remain in the record set dialog after deleting a record.

Screenshots

https://github.com/specify/specify7/assets/135047322/bedf61f7-5891-4779-aa63-a1cca0a3e81b

Desktop:

• OS: macOS
• Browser: Chrome
• Specify 7 Version: v7.9-dev

Database Name: herb_rbge_3_31_23

[bronwyncombs]

Tested in earlier versions. This behavior is in v7.6 so prioritize accordingly

[emenslin]

Can recreate in edge (7.9.6)