Add setting to skip save detection on load

PKHeX.WinForms/App.config

@@ -58,6 +58,9 @@
             <setting name="DefaultSaveVersion" serializeAs="String">
                 <value>GP</value>
             </setting>
+            <setting name="DetectSaveOnStartup" serializeAs="String">
+                <value>True</value>
+            </setting>
         </PKHeX.WinForms.Properties.Settings>
     </userSettings>
   <runtime>

PKHeX.WinForms/MainWindow/Main.cs

@@ -192,7 +192,8 @@ namespace PKHeX.WinForms
                 try
                 #endif
                 {
-                    if (!DetectSaveFile(out string path) && path != null)
+                    string path = null;
+                    if (Settings.Default.DetectSaveOnStartup && !DetectSaveFile(out path) && path != null)
                         WinFormsUtil.Error(path); // `path` contains the error message
 
                     bool savLoaded = false;

PKHeX.WinForms/Properties/Settings.Designer.cs

@@ -226,5 +226,17 @@ namespace PKHeX.WinForms.Properties {
                 this["DefaultSaveVersion"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
+        public bool DetectSaveOnStartup {
+            get {
+                return ((bool)(this["DetectSaveOnStartup"]));
+            }
+            set {
+                this["DetectSaveOnStartup"] = value;
+            }
+        }
     }
 }

PKHeX.WinForms/Properties/Settings.settings

@@ -53,5 +53,8 @@
     <Setting Name="DefaultSaveVersion" Type="PKHeX.Core.GameVersion" Scope="User">
       <Value Profile="(Default)">GP</Value>
     </Setting>
+    <Setting Name="DetectSaveOnStartup" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">True</Value>
+    </Setting>
   </Settings>
 </SettingsFile>