“Then if you click another table, the edit cell remains active.” Not reproducable here if I understand right! What is your program version? This 'mouse control thing' was 'worked over' in 5.17.
However YES if you mean “Then if you click another DATABASE …. “.
Were are clicking in the Object Browser, right?
Spellllllllllllllllllllllllllllllllllllllling error ???? 😀