Fix progress dialog main frame focus issue on Linux.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/8718

eeschema/files-io.cpp

@@ -285,6 +285,11 @@ bool SCH_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, in
             failedLoad = true;
         }
 
+        // This fixes a focus issue after the progress reporter is done on GTK.  It shouldn't
+        // cause any issues on macOS and Windows.  If it does, it will have to be conditionally
+        // compiled.
+        Raise();
+
         if( failedLoad )
         {
             // Do not leave g_RootSheet == NULL because it is expected to be

pcbnew/files.cpp

@@ -739,6 +739,11 @@ bool PCB_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, in
             return false;
         }
 
+        // This fixes a focus issue after the progress reporter is done on GTK.  It shouldn't
+        // cause any issues on macOS and Windows.  If it does, it will have to be conditionally
+        // compiled.
+        Raise();
+
         SetBoard( loadedBoard );
 
         if( GFootprintList.GetCount() == 0 )