Got rid of extra popup if you abort in an activity that doesn't allow saving (or no activity)

Also tweaked abort message about saving since it'll only show if the game managed to make an abort save

Author: garethyr

System/RTEError.cpp

@@ -32,7 +32,10 @@ namespace RTE {
 
 		if (!System::IsInExternalModuleValidationMode()) {
 			// Attempt to save the game itself, so the player can hopefully resume where they were.
-			bool abortSaveMade = g_ActivityMan.SaveCurrentGame("AbortSave");
+			bool abortSaveMade = false;
+			if (g_ActivityMan.GetActivityAllowsSaving()) {
+				abortSaveMade = g_ActivityMan.SaveCurrentGame("AbortSave");
+			}
 
 			// Save out the screen bitmap, after making a copy of it, faster sometimes.
 			if (screen) {
@@ -55,7 +58,7 @@ namespace RTE {
 
 			std::string abortMessage = "Runtime Error in file '" + fileName + "', line " + std::to_string(line) + ", because:\n\n" + description + "\n\n";
 			if (abortSaveMade) {
-				abortMessage += "The game has attempted to save to 'AbortSave'.\n";
+				abortMessage += "The game has saved to 'AbortSave'.\n";
 			}
 			abortMessage += "The console has been dumped to 'AbortLog.txt'.\nThe last frame has been dumped to 'AbortScreen.bmp'.";