Fix deck menu remaining open after editing description

When dismissing EditDeckDescriptionDialog, dismiss all dialog fragments
to close DeckPickerContextMenu. This prevents the context menu from
appearing on top of the keyboard and is closer to the behavior of other
menu actions.

Author: Alex7D3

AnkiDroid/src/main/java/com/ichi2/anki/dialogs/EditDeckDescriptionDialog.kt

@@ -39,6 +39,7 @@ import com.ichi2.anki.StudyOptionsFragment
 import com.ichi2.anki.dialogs.EditDeckDescriptionDialogViewModel.DismissType
 import com.ichi2.anki.libanki.DeckId
 import com.ichi2.anki.snackbar.showSnackbar
+import com.ichi2.anki.utils.ext.dismissAllDialogFragments
 import com.ichi2.utils.AndroidUiUtils.hideKeyboard
 import com.ichi2.utils.AndroidUiUtils.setFocusAndOpenKeyboard
 import com.ichi2.utils.create
@@ -150,9 +151,9 @@ class EditDeckDescriptionDialog : DialogFragment() {
                 .filterNotNull()
                 .collect { dismissType ->
                     when (dismissType) {
-                        DismissType.ClosedWithoutSaving -> dismiss()
+                        DismissType.ClosedWithoutSaving -> requireActivity().dismissAllDialogFragments()
                         DismissType.Saved -> {
-                            dismiss()
+                            requireActivity().dismissAllDialogFragments()
                             showSnackbar(R.string.deck_description_saved)
                             // notify DeckPicker to invalidate its toolbar menu, otherwise the undo
                             // action to revert the description change is not going to be visible