Feature ask: Need the have ability to set custom query validator into SelectExpandQueryValidator

Assemblies affected
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Describe the bug
@xuzhg, based on our discussion, I am just listing three issues which I hope we can improve:

1. Can't set custom query validator into SelectExpandQueryValidator, e.g.: The construct directly create the FilterQueryValidator, rather than expose as parameter, so customer can use DI or explicitly set it. Source code link.
2. Even SelectExpandQueryValidator allow us pass custom FilterQueryValidator via constructor, it will still not work due to the current code does some kind of hack) to create an internal virtual method to allow SelectExpandQueryValidator to set local properties like defaultValidationSetting. So even I create my custom filter query validator, I still can't set these fields and it will cause null reference issue eventually.
3. In the current FilterQueryValidator, if customer doesn't register EDM model, the validation will not honor the model bound filter attribute due to we don't set property and structured type if no ODataPath, source code is [here](https://github.com/OData/AspNetCoreOData/blob/3db5e5fb94df2968b1b354bc37a47907b89892be/src/Microsoft.AspNetCore.OData/Query/Validator/FilterQueryValidator.cs#:~:text=if%20(filterQueryOption.,%7D), but if people use filter under expand clause, then the model bound filter attribute start working due to it invoke the hacky internal method which I mentioned in 2nd issue, and the internal method will set the property and structured type based on navigation property. So, it is not consistent.

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