EventView: dont show pow if it's less than 10

Signed-off-by: William Casarin <jb55@jb55.com>

damus/Views/EventView.swift

@@ -42,10 +42,12 @@ struct EventView: View {
                         }
                         .frame(maxWidth: .infinity, alignment: .leading)
                     Spacer()
+                    if (event.pow ?? 0) >= 10 {
                         Text("\(event.pow ?? 0)")
                             .font(.callout)
                             .foregroundColor(calculate_pow_color(event.pow ?? 0))
                     }
+                }
                 Text(event.content)
                     .textSelection(.enabled)
                     .frame(maxWidth: .infinity, alignment: .leading)