Fix issue with new implementations ✔️

src/Nfdi4Plants.Fornax/Loaders.fs

@@ -65,7 +65,7 @@ module Aux =
         Fornax.Nfdi4Plants.MarkdigExtensions.Aux.splitKey line
         |> fun (key, v) -> 
             v 
-            |> Option.map(fun v -> (key, v))
+            |> Option.map(fun v -> (key.ToLower(), v))
 
     let internal trimString (str : string) =
         str.Trim().TrimEnd('"').TrimStart('"')

src/Nfdi4Plants.Fornax/MarkdigExtensions/nfdi-sidebar-element-header.fs

@@ -12,7 +12,7 @@ module internal Aux =
     let splitKey (line: string) =
         let seperatorIndex = line.IndexOf(':')
         if seperatorIndex > 0 then
-            let key = line.[.. seperatorIndex - 1].Trim().ToLower()
+            let key = line.[.. seperatorIndex - 1].Trim()
             let value = line.[seperatorIndex + 1 ..].Trim()
             key, Some value
         else

tests/Nfdi4Plants.Fornax.Tests/Loaders.Tests.fs

@@ -138,16 +138,7 @@ author: {name: Kevin Frey, github: https://github.com/Freymaurer, orcid: 0000-00
             let docs = Docs.createFromConfig config
             Expect.equal docs.authors [|Author.create "Kevin Frey" (Some "https://github.com/Freymaurer") (Some "0000-0002-8510-6810")|] ""
         }
-        test "config_author_jsonObj" {
-            let test_case = """---    
-title: My awesome title    
-author: {name: Kevin Frey, github: https://github.com/Freymaurer, orcid: 0000-0002-8510-6810 }
----"""
-            let config = getConfig test_case
-            let docs = Docs.createFromConfig config
-            Expect.equal docs.authors [|Author.create "Kevin Frey" (Some "https://github.com/Freymaurer") (Some "0000-0002-8510-6810")|] ""
-        }
-        test "config_authors" {
+        test "config_authors_mixed" {
             let test_case = """---    
 title: My awesome title    
 author: John Doe
@@ -161,7 +152,7 @@ author: {name: Kevin Frey, github: https://github.com/Freymaurer, orcid: 0000-00
             |]
             Expect.equal docs.authors expected ""
         }
-        test "config_authors_multiple_JSON" {
+        test "config_authors_multipleMixed" {
             let test_case = """---    
 title: My awesome title    
 author: {name: John Doe, github: https://github.com/JohnDoe, orcid: 0000-0000-0000-0000}