order to fix the issue rendering the context menu for longer text.
Needs to do some modification in the existing pgAdmin4 CSS theme to make
it looks like/near the existing look and feel.
other.
i.e.
While fetching the database nodes from the role nodes, it was generating
the wrong URL.
Used the parent_type in each node to identify maximum node URL level
using the priority set in the tree node hearachy information, and
generate URL up to that level only.
(tabbed) UI.
Also, fixed few bugs pointed by Dave:
* Open the URL in separate browser tab/window.
* Fixed few CSS changes for look and feel for the dialog view
* Some of the panels were not listed in the context menu for the
wcDocker.
