pgAdmin 4 commit: Ensure the runtime core application is setup before t

Ensure the runtime core application is setup before trying to access any settings. Fixes #3333

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=c68848e7f30fed68b58ddf500c5bfe702f75ef48

Modified Files
--------------
docs/en_US/release_notes_3_1.rst | 1 +
runtime/pgAdmin4.cpp | 5 ++---
2 files changed, 3 insertions(+), 3 deletions(-)