Changed save all scripts shortcut to avoid collision, fixes #4278

tools/editor/plugins/script_editor_plugin.cpp

@@ -2635,7 +2635,7 @@ ScriptEditor::ScriptEditor(EditorNode *p_editor) {
 	file_menu->get_popup()->add_separator();
 	file_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/save", TTR("Save"), KEY_MASK_ALT|KEY_MASK_CMD|KEY_S), FILE_SAVE);
 	file_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/save_as", TTR("Save As..")), FILE_SAVE_AS);
-	file_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/save_all", TTR("Save All"), KEY_MASK_CMD|KEY_MASK_SHIFT|KEY_S), FILE_SAVE_ALL);
+	file_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/save_all", TTR("Save All"), KEY_MASK_CMD|KEY_MASK_SHIFT|KEY_MASK_ALT|KEY_S), FILE_SAVE_ALL);
 	file_menu->get_popup()->add_separator();
 	file_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/history_previous", TTR("History Prev"), KEY_MASK_CTRL|KEY_MASK_ALT|KEY_LEFT), WINDOW_PREV);
 	file_menu->get_popup()->add_shortcut(ED_SHORTCUT("script_editor/history_next", TTR("History Next"), KEY_MASK_CTRL|KEY_MASK_ALT|KEY_RIGHT), WINDOW_NEXT);