fixes the network error fallback widget issue #209

[lazypanda2004]

Implemented it for lost and found page

https://github.com/swciitg/onestop_flutter/assets/118502665/4fc00b16-16f4-4e1a-af29-9e59114f181c

[hardikroongta8]

add a screen recording for both first page error and any subsequent page error