Connection selector N/A state fix

plugins/org.jkiss.dbeaver.core/plugin.xml

@@ -609,6 +609,7 @@
             </toolbar>
 
             <toolbar id="dbeaver-connection-selector" label="%toolbar.dbeaver-datasource-selector.label">
+                <visibleWhen><reference definitionId="org.jkiss.dbeaver.core.ui.datasource.editor"/></visibleWhen>
                 <command
                     commandId="org.jkiss.dbeaver.ui.tools.select.connection"
                     id="org.jkiss.dbeaver.core.menu.select.connection"

plugins/org.jkiss.dbeaver.ui.navigator/src/org/jkiss/dbeaver/ui/actions/datasource/SelectActiveDataSourceHandler.java

@@ -93,7 +93,7 @@ public class SelectActiveDataSourceHandler extends AbstractDataSourceHandler imp
         String connectionName;
         DBPImage connectionIcon;
         if (dataSource == null) {
-            connectionName = "<No active connection>";
+            connectionName = "< N/A >";
             connectionIcon = DBIcon.TREE_DATABASE;
         } else {
             connectionName = dataSource.getName();

plugins/org.jkiss.dbeaver.ui.navigator/src/org/jkiss/dbeaver/ui/actions/datasource/SelectActiveSchemaHandler.java

@@ -122,13 +122,13 @@ public class SelectActiveSchemaHandler extends AbstractDataSourceHandler impleme
             return;
         }
 
-        String schemaName = "<No active connection>";
+        String schemaName = "< N/A >";
         DBIcon schemaIcon = DBIcon.TREE_SCHEMA;
         String schemaTooltip = UINavigatorMessages.toolbar_datasource_selector_combo_database_tooltip;
 
         DBPDataSourceContainer dataSource = DataSourceToolbarUtils.getCurrentDataSource(workbenchWindow);
         if (dataSource != null && dataSource.isConnected()) {
-            schemaName = "<no schema>";
+            //schemaName = "<no schema>";
 
             IEditorInput editorInput = activeEditor.getEditorInput();
             if (editorInput instanceof IDatabaseEditorInput) {