Update to Error handling improvement loading GUI config

Remove Application.Exit() to allow the user to change connection.

DBADashGUI/Config.cs

@@ -42,12 +42,10 @@ static Config()
             catch (SqlException ex) when (ex.Number == 229)
             {
                 MessageBox.Show(ex.Message + "\n\nThe App or AppReadOnly role can be used to grant access to the GUI", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
-                Application.Exit();
             }
             catch (Exception ex)
             {
                 MessageBox.Show("Error getting application settings\n" + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
-                Application.Exit();
             }
         }