[release/8.0] Remove referencing indexes when reconfiguring a property as a navigation #34651
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Fixes #29997
Port of #34640
Description
When a property is reconfigured as a navigation the referencing objects such as indexes, keys and foreign keys are not removed beforehand leading to an exception.
Customer impact
For models where a navigation is referenced by data annotations an exception is thrown during model building. A workaround is to ignore the property before configuring it as a navigation.
How found
Multiple customer reports.
Regression
Yes. From 6.0.x
Testing
Test added.
Risk
Low.