Debrid: Fix cleanup of unrestrict and task

The task can be set to nil after completion, and the unrestrict
flag should also be set to nil when the batch sheet is dismissed.

Signed-off-by: kingbri <bdashore3@proton.me>

Ferrite/ViewModels/DebridManager.swift

@@ -375,6 +375,7 @@ class DebridManager: ObservableObject {
         defer {
             logManager?.hideIndeterminateToast()
             requiresUnrestrict = false
+            currentDebridTask = nil
         }
 
         logManager?.updateIndeterminateToast("Loading content", cancelAction: {

Ferrite/Views/SheetViews/BatchChoiceView.swift

@@ -50,6 +50,7 @@ struct BatchChoiceView: View {
                             try? await Task.sleep(seconds: 1)
 
                             debridManager.clearSelectedDebridItems()
+                            debridManager.requiresUnrestrict = false
                         }
                     }
                 }