pgAdmin 4 commit: Ensure 'select all' and 'unselect all' workingproper

Ensure 'select all' and 'unselect all' working properly for pgAgent schedule. Fixes #3313.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=0f17b4f73880adfd8760c3e1916b47565043d234
Author: Murtuza Zabuawala 

Modified Files
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docs/en_US/release_notes_3_3.rst         |  3 +-
web/pgadmin/browser/static/js/node.ui.js | 53 +++++++++++++++++++-------------
2 files changed, 33 insertions(+), 23 deletions(-)