Fixes #2737: Support getting navigation source for complex types

[mikepizzo]

Issues

This pull request fixes #2737

Description

New code for keeping accurate path for deserialization context assumed navigation property was on entity.

Checklist (Uncheck if it is not completed)

• Test cases added
• Build and test with one-click build and test script passed

Additional work necessary

Could use more tests:

• no nav prop binding
• nav prop on derived type
• bindingpath ends in type segment
• nav property on a dynamic type

[robertmclaws]

Any update on this? Would be great it if can get into the next release!

[xuzhg]

naming the property name as "Unbound...." looks confusing.

[xuzhg]

do we have a corresponding issue created in odata repo?

[xuzhg]

looks like it could be extension method for ODataPath and move it to ODataPathExtensions?

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This PR has 232 quantified lines of changes. In general, a change size of upto 200 lines is ideal for the best PR experience!

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Label      : Large
Size       : +211 -21
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Total files changed: 3

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.cs : +192 -19
.xml : +19 -2

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