Add clear console when starting gamemode setting.

Signed-off-by: sphrose <82213493+sphrose@users.noreply.github.com>

Code/Editor/Settings.cpp

@@ -188,6 +188,7 @@ SEditorSettings::SEditorSettings()
 
     consoleBackgroundColorTheme = AzToolsFramework::ConsoleColorTheme::Dark;
     bShowTimeInConsole = false;
+    clearConsoleOnGameModeStart = false;
 
     enableSceneInspector = false;
 
@@ -526,6 +527,8 @@ void SEditorSettings::Save()
 
     SaveValue("Settings", "ConsoleBackgroundColorThemeV2", (int)consoleBackgroundColorTheme);
 
+    SaveValue("Settings", "ClearConsoleOnGameModeStart", clearConsoleOnGameModeStart);
+
     SaveValue("Settings", "ShowTimeInConsole", bShowTimeInConsole);
 
     SaveValue("Settings", "EnableSceneInspector", enableSceneInspector);
@@ -744,6 +747,8 @@ void SEditorSettings::Load()
         consoleBackgroundColorTheme = AzToolsFramework::ConsoleColorTheme::Dark;
     }
 
+    LoadValue("Settings", "ClearConsoleOnGameModeStart", clearConsoleOnGameModeStart);
+
     LoadValue("Settings", "ShowTimeInConsole", bShowTimeInConsole);
 
     LoadValue("Settings", "EnableSceneInspector", enableSceneInspector);