Default EnableCaseInsensitive to true when initializing a new instance of ODataUriResolver

[gathogojr]

OData V4.01 states that services MUST support case-insensitive system query option names specified with or without the $ prefix.

For this reason, we inject a case insensitive ODataUriResolver in ASP.NET Core OData:
https://github.com/OData/AspNetCoreOData/blob/1368836752963d88e920d9508d94807eb995894b/src/Microsoft.AspNetCore.OData/ODataOptions.cs#L326-L329

For the same reason, we should consider defaulting EnableCaseInsensitive to true when initializing a new instance of ODataUriResolver in ODL:

odata.net/src/Microsoft.OData.Core/UriParser/Resolver/ODataUriResolver.cs

Line 24 in 95233fc

private static readonly ODataUriResolver Default = new ODataUriResolver();

Assemblies affected

• Microsoft.OData.Core 8.x
• Microsoft.OData.Core 7.x

Expected result

The injected ODataUriResolver should have EnableCaseInsensitive default to true

Actual result

The injected ODataUriResolver has EnableCaseInsensitive default to false

Additional detail

Related to OData/AspNetCoreOData#1312, where the call to AddRouteComponents configures an ODataUriResolver with EnableCaseInsensitive set to true but when AddDefaultODataServices is called, it configures an ODataUriResolver with EnableCaseInsensitive set to false. This is not a bug per se, but true is arguably the more appropriate default given the OData standard and in line with the principle of least astonishment.