Uploading an older database to Enterprise causes database upgrade message twice

[fuzyll]

Version and Platform (required):

• Binary Ninja Version: 4.3.6703-dev
• OS: macOS
• OS Version: 15.2
• CPU Architecture: aarch64

Bug Description:
If you upload an old database to an Enterprise project, you will be asked to upgrade the database twice, since the first time (the actual upload) doesn't appear to actually trigger the database upgrade.

Steps To Reproduce:

1. Open up an Enterprise project (must be connected to the server for this to work)
2. Drag-and-drop an old .bndb into the project
3. Observe that the database will start automatically uploading and show you the dialog for upgrading the database (choose "Yes").
4. Once it has finished uploading, double-click the database to open it
5. Observe that you will be shown the dialog again asking you to upgrade the database (choose "Yes").
6. Bonus points: Don't save, close it, open it again and observe the same dialog over and over.

Expected Behavior:
If we don't automatically perform the upgrade and prevent using it on older versions like the dialog says, I'm actually fine with that? We should just move the logic for when the dialog is displayed to be before the actual save occurs. Otherwise, something else is maybe going wrong here, because the dialog suggests clicking "Yes" should cause the upgrade to happen immediately and be saved.

Screenshots/Video Recording:

Binary:
Databases and project available upon request.