Fix custom emoji in edit caption / send files box.

Telegram/SourceFiles/editor/controllers/stickers_panel_controller.cpp

@@ -9,6 +9,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "chat_helpers/tabbed_panel.h"
 #include "chat_helpers/tabbed_selector.h"
+#include "window/window_session_controller.h" // Window::GifPauseReason
+
 #include "styles/style_chat_helpers.h"
 
 namespace Editor {
@@ -23,6 +25,7 @@ StickersPanelController::StickersPanelController(
 		object_ptr<ChatHelpers::TabbedSelector>(
 			nullptr,
 			controller,
+			Window::GifPauseReason::Layer,
 			ChatHelpers::TabbedSelector::Mode::MediaEditor))) {
 	_stickersPanel->setDesiredHeightValues(
 		1.,