onAppear does not fire properly on iOS 14 due to a longstanding
bug in SwiftUI. Add a UIKit onAppear hook for listening to these
events and implement inside the backport namespace.
Signed-off-by: kingbri <bdashore3@proton.me>
When a search result is selected, there is usually a delay due to
the debrid dance of API routes for grabbing a download link to stream.
Add a loading indicator and prevent any other tasks from loading
unless the user cancels it.
iOS 14.5 was a huge update which added many QoL SwiftUI changes that
are consistent to modern iOS versions.
However, Ferrite supports iOS versions less than 14.5, mainly 14.3.
More fixes had to be added to make sure UI is consistent across
all OS versions.
Signed-off-by: kingbri <bdashore3@gmail.com>
