openSUSE Leap 15.3 Security Update: Important SeaMonkey Fix for Issue

This update for seamonkey fixes the following issues:

Update to SeaMonkey 2.53.12

* Format Toolbar forgets its hidden status when switching to other view

modes bug 1719020.

* Remove obsolete plugin code from SeaMonkey bug 1762733.

* Fix a few strict warnings in SeaMonkey bug 1755553.

* Remove Run Flash from Site permissions and page info bug 1758289.

* Use fixIterator and replace use of removeItemAt in FilterListDialog bug

1756359.

* Remove RDF usage in tabmail.js bug 1758282.

* Implement 'Edit Template' and 'New Message From Template' commands and

UI bug 1759376.

* [SM] Implement 'Edit Draft' command and hide it when not in a draft

folder (port Thunderbird bug 1106412) bug 1256716.

* Messages in Template folder need "Edit Template" button in header (like

for Drafts) bug 80280.

* Refactor and simplify the feed Subscribe dialog options updates bug

1420473.

* Add system memory and disk size and placeDB page limit to...