conforms file names to consistant standard

scenes/menus/alert_popup.tscn

@@ -0,0 +1,38 @@
+[gd_scene format=3 uid="uid://6a277g802os0"]
+
+[ext_resource type="Script" uid="uid://4uwd40mavufi" path="res://scripts/alert_popup.gd" id="1_cac03"]
+[ext_resource type="AudioStream" uid="uid://cp6ph4ra7u5rk" path="res://ui/drop_003.ogg" id="2_2mbtt"]
+
+[sub_resource type="AudioStreamRandomizer" id="AudioStreamRandomizer_veol0"]
+random_pitch = 1.1
+streams_count = 1
+stream_0/stream = ExtResource("2_2mbtt")
+
+[node name="Control" type="PanelContainer" unique_id=1358708603]
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_cac03")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="." unique_id=262018832]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="VBoxContainer" unique_id=1955868029]
+layout_mode = 2
+text = "Unable to connect to server"
+
+[node name="Button" type="Button" parent="VBoxContainer" unique_id=573721072]
+layout_mode = 2
+size_flags_horizontal = 8
+text = "OK"
+
+[node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="." unique_id=642000737]
+stream = SubResource("AudioStreamRandomizer_veol0")
+bus = &"SFX"
+
+[connection signal="mouse_entered" from="VBoxContainer/Button" to="." method="_on_button_mouse_entered"]
+[connection signal="pressed" from="VBoxContainer/Button" to="." method="_on_button_pressed"]