Joomla Real Estate Search Module Fix

We need to update the modification we have made to the search module of OS Property component of Joomla to their latest updates because we have 2 issues
1. Our modified module is not working fine at Chrome browser , a field with the areas is dissapearing when we choose any city from the search module ,please check attached video . Its working fine at Firefox .
2. When we click on our modified module at mobiles we are taking a dropdown options list : https://prnt.sc/o7Qm1_UIR8zN
But in the default Search module of OS Property when somebody click on the search module it gets a pop up window which covers all the screen of mobile which I think its better and more clear : https://prnt.sc/jOPICuNPuWEK .
So we want the same instead of drop down list we have now .
The modules are here: https://prnt.sc/-Dob1wGpKoly
You can see the url of the Test site at the screenshot and enter the site with admin / admin .
Thanks

Ideal Skills and Experience:
- Extensive knowledge in Joomla and OS Property
- Experience with troubleshooting and fixing search modules
- Proficient in modifying dropdown selection filters
- Ability to update software to the latest versions