Use string.Length instead of comparison with empty string

Proprietary

Replace s == "" with s.Length == 0 and s != "" with s.Length != 0.

OpenRewrite.Recipes.CSharp.CodeQuality.Style.UseStringLengthComparison

mod run . --recipe=OpenRewrite.Recipes.CSharp.CodeQuality.Style.UseStringLengthComparison

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.