Add optional contractor to Element attribute

src/DesktopMagicPluginAPI/obj/DesktopMagicPluginAPI.csproj.nuget.dgspec.json

@@ -65,7 +65,7 @@
               "privateAssets": "all"
             }
           },
-          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\5.0.301\\RuntimeIdentifierGraph.json"
+          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\5.0.302\\RuntimeIdentifierGraph.json"
         }
       }
     }

src/DesktopMagicPluginAPI/obj/project.assets.json

@@ -213,7 +213,7 @@
             "privateAssets": "all"
           }
         },
-        "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\5.0.301\\RuntimeIdentifierGraph.json"
+        "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\5.0.302\\RuntimeIdentifierGraph.json"
       }
     }
   }

src/DesktopMagicPluginAPI/obj/project.nuget.cache

@@ -1,6 +1,6 @@
 {
   "version": 2,
-  "dgSpecHash": "+b7ffutxpVrmCwRmkCKJuA+T1JzbuNT4idwJ6fOh9Wv5DD7Tt6uplsP6zk0Qo5C6IDEHWyhaEa0PPr34upBxbQ==",
+  "dgSpecHash": "TFv9VaIlVM7dJlroayvqki0onWR6tqfcSvlcX48JtcAgxtEPtdStmcE1Z2n6c2FLEwd5vOPjzRiUPYC+hlGU9A==",
   "success": true,
   "projectFilePath": "C:\\Users\\David\\Programmieren\\DesktopMagic\\src\\DesktopMagicPluginAPI\\DesktopMagicPluginAPI.csproj",
   "expectedPackageFiles": [