[Custom application]: file extentions configured in app's settings should be displayed in Attach files modal form

[YauheniyaH]

EPAM AI DIAL chat version

0.17.0

How to reproduce

Steps:

1. create custom application with attachment types
2. create conversation with this custom app
3. click Attach files icon

Actual result

Expected result

Configured file types should be displayed in Attach files form header

Confidential information

• [X] I confirm that do not share any confidential information

[YauheniyaH]

verified on staging successfully