Add an ability to get file from "share with app" dialog

[xxx508]

Please confirm the following

• I've checked the current issues for duplicate issues.
• I've requested a single (only one) feature/change in this issue. It complies with the One Request Per GitHub Issue (ORPGI) rule.
• My issue is well-defined and aligns with the goal of the project.

Description

So, I have a very big amount of media on my smartphone, and searching through the app is not ok. I was hoping that this feature is in app, but for some reason, it isn't. So, here it is: please make a reciever for this type of interaction, because currently I'm only able to see this racist cat (and need to scroll all the way down to see the real photos I want to upload):

[beradeep]

Thanks for the input! This is actually a good idea.