pgAdmin 4 commit: Handle display of roles with expiration set toinfini

Handle display of roles with expiration set to infinity correctly. Fixes #3352

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=a5d39003b6d9e5e43a282f9bc4a7263fa7336455
Author: Akshay Joshi <akshay.joshi@enterprisedb.com>

Modified Files
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docs/en_US/release_notes_4_3.rst          | 1 +
web/pgadmin/static/js/backform.pgadmin.js | 5 +++++
2 files changed, 6 insertions(+)