Small bugfixes

PamhagenSysCtrl/Helpers/Pipeline/Graph.cs

@@ -59,7 +59,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             var start = points.First();
             var path = new Path(start, []);
             foreach (var end in points.Skip(1)) {
-                if (valid != null && !valid(start)) {
+                if (valid != null && start != points.First() && !valid(start)) {
                     return null;
                 } else if (GetPath(start, end, valid, visited: [.. path.Hops.Select(h => h.Node)]) is not Path p) {
                     return null;