Add customisation point for mxid display (#7595)

* add wrapping component for hiding UI

Signed-off-by: Kerry Archibald <kerrya@element.io>

* add Setting

Signed-off-by: Kerry Archibald <kerrya@element.io>

* apply setting to profile settings, user menu, invite dialog, userinfo

Signed-off-by: Kerry Archibald <kerrya@element.io>

* hide mxids in user autocomplete

* remove mxids from title in memeber list and timeline

Signed-off-by: Kerry Archibald <kerrya@element.io>

* hide mxid in ConfirmUserActionDialog

Signed-off-by: Kerry Archibald <kerrya@element.io>

* use name in power level event message when displayMxids is falsy

Signed-off-by: Kerry Archibald <kerrya@element.io>

* add customisation point for mxid display

Signed-off-by: Kerry Archibald <kerrya@element.io>

* use userid customisation

Signed-off-by: Kerry Archibald <kerrya@element.io>

* use customisation in sender profile

Signed-off-by: Kerry Archibald <kerrya@element.io>

* hide profile settings mxid if falsy

Signed-off-by: Kerry Archibald <kerrya@element.io>

* rename and move to components

Signed-off-by: Kerry Archibald <kerrya@element.io>

* remove change to UIFeature.ts

Signed-off-by: Kerry Archibald <kerrya@element.io>

* improvements from pr

Signed-off-by: Kerry Archibald <kerrya@element.io>

* lint fix

Signed-off-by: Kerry Archibald <kerrya@element.io>

src/components/views/dialogs/ConfirmSpaceUserActionDialog.tsx

@@ -67,6 +67,7 @@ const ConfirmSpaceUserActionDialog: React.FC<IProps> = ({
                 onFinished(success, reason, roomsToLeave);
             }}
             className="mx_ConfirmSpaceUserActionDialog"
+            roomId={space.roomId}
         >
             { warning }
             <SpaceChildrenPicker