pgAdmin 4 commit: Ensure that schema names starting with 'pg' should be

Ensure that schema names starting with 'pg' should be visible in browser tree when standard_conforming_strings is set
tooff. Fixes #4216 

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=f3bde7b5f184f8a6a5861212991d15dfa9651265
Author: Yogesh Mahajan <yogesh.mahajan@enterprisedb.com>

Modified Files
--------------
docs/en_US/release_notes_4_26.rst                                       | 1 +
.../databases/schemas/templates/schemas/pg/9.2_plus/sql/nodes.sql       | 2 +-
.../databases/schemas/templates/schemas/pg/default/sql/nodes.sql        | 2 +-
.../databases/schemas/templates/schemas/ppas/9.1_plus/sql/nodes.sql     | 2 +-
.../databases/schemas/templates/schemas/ppas/9.2_plus/sql/nodes.sql     | 2 +-
5 files changed, 5 insertions(+), 4 deletions(-)