[gnome-builder] debuggerui: show hover provider only if debug manager is active. Fix #1401

[Christian Hergert <chergert src gnome org>]

commit 22d4b484714d870d60fc99aaca6c772b7c771d28
Author: Cédric Bellegarde <cedric bellegarde adishatz org>
Date:   Tue Jun 22 23:01:56 2021 +0200

    debuggerui: show hover provider only if debug manager is active. Fix #1401

 src/plugins/debuggerui/ide-debugger-hover-provider.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/debuggerui/ide-debugger-hover-provider.c 
b/src/plugins/debuggerui/ide-debugger-hover-provider.c
index 45bbe19f2..03857ece5 100644
--- a/src/plugins/debuggerui/ide-debugger-hover-provider.c
+++ b/src/plugins/debuggerui/ide-debugger-hover-provider.c
@@ -78,7 +78,7 @@ ide_debugger_hover_provider_hover_async (IdeHoverProvider    *provider,
   file = ide_buffer_get_file (buffer);
   line = gtk_text_iter_get_line (iter);
 
-  if (ide_debug_manager_supports_language (dbgmgr, lang_id))
+  if (ide_debug_manager_get_active(dbgmgr) && ide_debug_manager_supports_language (dbgmgr, lang_id))
     {
       GtkWidget *controls;