* Improve ImageSharpImageUrlGenerationTests
Removed a few "stale" tests that look to have been from code of old.
Add tests for all ImageUrlGenerationOptions.
Add some edge case tests to make the tests more sensitive.
Reduce scope for certain tests so the test is more focused on one thing rather than multiple
* Amending a mis-spelt variable.
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Co-authored-by: georgebid <91198628+georgebid@users.noreply.github.com>
* Update to ImageSharp 2.1.0 and ImageSharp.Web 2.0.0-alpha.0.23
* Rename CachedNameLength to CacheHashLength and add CacheFolderDepth setting
* Replace PhysicalFileSystemProvider with WebRootImageProvider
* Support EXIF-orientation in image dimention extractor
* Remove virtual methods on FileProviderImageProvider
* Simplify FileInfoImageResolver
* Update to SixLabors.ImageSharp.Web 2.0.0-alpha.0.25 and remove custom providers
* Make CropWebProcessor EXIF orientation-aware
* Improve width/height sanitization
* Also use 'v' as cache buster value
* Add WebP to supported image file types
* Update to SixLabors.ImageSharp.Web 2.0.0-alpha.0.27 and fix test
* Fix rounding error and add test cases
* Update to newest and stable releases
* Move ImageSharpImageUrlGenerator to Umbraco.Web.Common
* Use IConfigureOptions to configure ImageSharp options
* Implement IEquatable on ImageUrlGenerationOptions classes
* Fix empty/null values in image URL generation and corresponding tests
* Use IsSupportedImageFormat extension method
* Remove unneeded reflection
