Updated for unifying

src/MealSelector.py

@@ -1,4 +1,5 @@
 from FileHandler import read_json, combine_ingredients, write_checklist
+
 import flet as ft
 
 selected_meals = {}
@@ -23,14 +24,20 @@ def selector(page: ft.Page):
 
     submit_button = ft.ElevatedButton(text="Make Shopping List", on_click=update_meal_selection)
     
-    page.add(
-        ft.ListView(
-            controls=meal_list,
-            expand=True,
-            spacing=10,
-            padding=10,
-        ),
-        submit_button,
-    )
+    page.controls[0].content = ft.Column(
+                            controls = [
+                                ft.ListView(
+                                    controls=meal_list,
+                                    expand=True,
+                                    spacing=10,
+                                    padding=10,
+                                ),
+                                submit_button,
+                            ],
+                            height = 500,
+                            expand = False,
+                        )
+    page.update()
 
-ft.app(selector)
+if __name__ == "__main__":
+    ft.app(selector)