pgAdmin 4 commit: Fixed an issue where detaching the query editor panel

Fixed an issue where detaching the query editor panel gives a blank white panel. Fixes #6398 Branch -- React_Porting Details --- https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=0f34231cced4baf10f7f332c6cc5418819910806 Author: Pradip Parkale Modified Files --

pgAdmin 4 commit: Fixed an issue where detaching the query editor panel

Fixed an issue where detaching the query editor panel gives a blank white panel. Fixes #6398 Branch -- master Details --- https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=0b52ef6eb0de0017b2c08e112743ecd56903490e Author: Pradip Parkale Modified Files -- docs/e