Update button label in Prospects page to include 'Neu'

FoodsharingSiegen.Server/Pages/Prospects.razor

@@ -17,13 +17,12 @@
 
 <Button
     Color="Color.Primary"
-    Width="Width.Px(50)"
     Height="Height.Px(50)"
     title="Hinzufügen"
     style="min-width: auto;"
     Clicked="@CreateProspectAsync"
     Visibility="@(CurrentUser.IsInGroup(UserGroup.WelcomeTeam, UserGroup.Ambassador) ? Visibility.Default : Visibility.Invisible)"
-><i class="fa-solid fa-plus"></i>
+><i class="fa-solid fa-plus"></i> Neu
 </Button>
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