Reword "only look in geometry_columns" to "only look in layers registry"

Fixes #4533

Author: Sandro Santilli

src/ui/qgspgnewconnectionbase.ui

@@ -193,13 +193,13 @@
       <item row="2" column="0">
        <widget class="QCheckBox" name="cb_geometryColumnsOnly">
         <property name="toolTip">
-         <string>Restrict the displayed tables to those that are in the geometry_columns table</string>
+         <string>Restrict the displayed tables to those that are in the layers registry (geometry_columns, geography_columns, topology.layer)</string>
         </property>
         <property name="whatsThis">
-         <string>Restricts the displayed tables to those that are in the geometry_columns table. This can speed up the initial display of spatial tables.</string>
+         <string>Restricts the displayed tables to those that are found in the layers registry (geometry_columns, geography_columns, topology.layer). This can speed up the initial display of spatial tables.</string>
         </property>
         <property name="text">
-         <string>Only look in the geometry_columns table</string>
+         <string>Only look in the layers registry</string>
         </property>
        </widget>
       </item>