Add reset_button state changes in overcooked_gui

The commit incorporates the state changes for the 'reset_button' in different scenarios in the overcooked_gui.py file. The reset button is now configured to either show or hide during particular instances of the game, enhancing the user interaction by providing clearer game state transitions.

overcooked_simulator/gui_2d_vis/overcooked_gui.py

@@ -393,6 +393,7 @@ class PyGameGUI:
                 self.back_button.hide()
                 self.quit_button.show()
                 self.start_button.show()
+                self.reset_button.hide()
                 self.score_label.hide()
                 self.finished_button.hide()
                 self.layout_selection.show()
@@ -403,6 +404,7 @@ class PyGameGUI:
                 self.start_button.hide()
                 self.back_button.hide()
                 self.score_label.show()
+                self.reset_button.show()
                 self.score_label.show()
                 self.finished_button.show()
                 self.layout_selection.hide()
@@ -413,6 +415,7 @@ class PyGameGUI:
                 self.start_button.hide()
                 self.back_button.show()
                 self.score_label.hide()
+                self.reset_button.hide()
                 self.finished_button.hide()
                 self.layout_selection.hide()
                 self.timer_label.hide()