MemberDataSheet: Fix constructor

Elwig/Documents/MemberDataSheet.cs

@@ -2,6 +2,7 @@
 using Elwig.Models.Entities;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Elwig.Documents {
     public class MemberDataSheet : BusinessDocument {
@@ -9,13 +10,12 @@ namespace Elwig.Documents {
         public new static string Name => "Stammdatenblatt";
 
         public Season Season;
-        public int Year = Utils.CurrentYear;
         public Dictionary<string, MemberBucket> MemberBuckets;
 
         public MemberDataSheet(Member m, AppDbContext ctx) : base($"{Name} {m.AdministrativeName}", m) {
             DocumentId = $"{Name} {m.MgNr}";
-            Season = ctx.Seasons.Find(Year) ?? throw new ArgumentException("invalid season");
+            Season = ctx.Seasons.ToList().MaxBy(s => s.Year) ?? throw new ArgumentException("invalid season");
-            MemberBuckets = ctx.GetMemberBuckets(Year, m.MgNr).GetAwaiter().GetResult();
+            MemberBuckets = ctx.GetMemberBuckets(Season.Year, m.MgNr).GetAwaiter().GetResult();
         }
     }
 }

Elwig/Windows/MemberAdminWindow.xaml

@@ -98,7 +98,7 @@
                         Filtern nach:<LineBreak/>
                         <Bold>MgNr.</Bold>: z.B. 1234, 89, ...<LineBreak/>
                         <Bold>Vor-/Nachname</Bold>: z.B. Max Mustermann... <LineBreak/>
-                        <Bold>Stammzweigstelle</Bold>: z.B. zwst:Matzen, zwst:wolkersdorf, ...<LineBreak/>
+                        <Bold>Stamm-Zweigstelle</Bold>: z.B. zwst:Matzen, zwst:wolkersdorf, ...<LineBreak/>
                         <Bold>Stammgemeinde</Bold>: z.B. matzen, Wolkersdorf, ...<LineBreak/>
                         <Bold>UID</Bold>: z.B. ATU12345678, ...<LineBreak/>
                         <Bold>Betriebs-Nr.</Bold>: z.B. 0123456, ...<LineBreak/>