Fix KeyError in DatabaseStore when dynamically adding panels and ensure from_store flag is set correctly#2184

abdibaker wants to merge 3 commits intodjango-commons:maindjango-commons/django-debug-toolbar:mainfrom

abdibaker:fix-database-store-panel-keyerrorabdibaker/django-debug-toolbar:fix-database-store-panel-keyerrorCopy head branch name to clipboard