pgAdmin 4 commit: 1) Ensure the edit dialog should not allow clearing o

1) Ensure the edit dialog should not allow clearing owner in the Language node. Fixes #6815
2) Fixed an issue where the Language node is disabled for the functions for
   EPAS/PG 9.6 and 10. Fixes #6823

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=d753719891abd58b2b57a982508d8db37ff4b0bc
Author: Pradip Parkale <pradip.parkale@enterprisedb.com>

Modified Files
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.../servers/databases/languages/static/js/language.ui.js       | 10 ++++++----
.../databases/schemas/functions/static/js/function.ui.js       |  6 ++++--
2 files changed, 10 insertions(+), 6 deletions(-)