#9454: avoid unnecessarily refresh the map
Fix query to detect postgis topology availability.

Closes #9453
Updated IT translation
Merge branch 'master' of github.com:qgis/QGIS
[TRANSUP] pl: QgsOracle
Merge pull request #1141 from Cracert/i18n

[TRANSUP] pl: QgsOracle
[composer] Draw mouse handles and item bounds outside of item's frames, so that snapping occurs to edge of item frame (fix #8943)
[composer] Increase number of decimal places for grid intervals and offset (fix #8828)
Merge pull request #1125 from ahuarte47/Issue_9454

Fix bug #9454: MapNodeTool unnecessarily refresh the map