CB-502 Generic driver nav tree types fix

Former-commit-id: dc603b51

plugins/org.jkiss.dbeaver.ext.generic/plugin.xml

@@ -92,7 +92,7 @@
                                 </items>
                             </items>
                         </folder>
-                        <folder type="org.jkiss.dbeaver.ext.generic.model.GenericProcedure" label="%tree.functions.node.name" icon="#functions" description="Functions" visibleIf="object.dataSource.info.supportsStoredCode() &amp;&amp; object.dataSource.splitProceduresAndFunctions()">
+                        <folder label="%tree.functions.node.name" icon="#functions" description="Functions" visibleIf="object.dataSource.info.supportsStoredCode() &amp;&amp; object.dataSource.splitProceduresAndFunctions()">
                             <items label="%tree.functions.node.name" itemLabel="%tree.function.node.name" path="function" property="functionsOnly" icon="#function">
                                 <items label="%tree.function_columns.node.name" itemLabel="%tree.column.node.name" path="column" property="parameters" navigable="false"/>
                             </items>