Upload logo section is accepting the invalid file format.

[KcKishan11]

Description:
Upload logo section of the "Focal Person details" form is accepting the invalid file format. It is accepting file like .csv, .pdf and other also which is not intended or mentioned there.

Steps to reproduce:

1. Firstly, enter the "DVS" url as "https://dvs-dev.naxa.com.np/".
2. Login to the system as super admin.
3. Click on the "Data Bank".
4. You will be navigated to admin dashboard.
5. And then click on the "Partners" sections.
6. Try to add new partner by clicking on "Add New" button.
7. Navigate to second form "Focal Person Details" after filling the first "Basic Info" form.
8. Try to upload the logo, in different file format which is not as mentioned there.
9. Observe the result, you are getting the access to upload invalid file format.

Expected Result:
Users should be granted the ability to upload a logo in the specified file formats, namely PNG and JPEG, within the form.

Screenshots: