Get rid of wx popups when opening a read-only project

common/settings/json_settings.cpp

@@ -131,6 +131,9 @@ bool JSON_SETTINGS::LoadFromFile( const wxString& aDirectory )
                 backed_up = true;
         }
 
+        // Silence popups if legacy file is read-only
+        wxLogNull doNotLog;
+
         wxConfigBase::DontCreateOnDemand();
         auto cfg = std::make_unique<wxFileConfig>( wxT( "" ), wxT( "" ), aPath.GetFullPath() );
 

pcbnew/files.cpp

@@ -595,6 +595,9 @@ bool PCB_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, in
             return false;
     }
 
+    // Get rid of any existing warnings about the old board
+    GetInfoBar()->Dismiss();
+
     // Loading a complex project and build data can be time
     // consuming, so display a busy cursor
     wxBusyCursor dummy;