display menu even when no structure logo id

ot_templating/Resources/Private/Partials/Modern/Menu.html

@@ -20,15 +20,21 @@
 
                         <f:comment><!-- menu logo --></f:comment>
                         <ul class="menu-logo">
-                            <f:if condition="{settings.structureLogoId}">
-                                <li>
-                                    <a href="{ot:rootPage.getUri()}" title="{settings.structureName}">
-                                        <img id="logo_img"
-                                             src="{ot:request.getOtEnvVar(argument: 'FILE_STORAGE_URL')}{settings.structureLogoId}/0x60"
-                                             alt="{settings.structureName}"/>
-                                    </a>
-                                </li>
-                            </f:if>
+                            <li>
+                                <f:if condition="{settings.structureLogoId}">
+                                    <f:then>
+                                        <a href="{ot:rootPage.getUri()}" title="{settings.structureName}">
+                                            <img id="logo_img"
+                                                 src="{ot:request.getOtEnvVar(argument: 'FILE_STORAGE_URL')}{settings.structureLogoId}/0x60"
+                                                 alt="{settings.structureName}"/>
+                                        </a>
+                                    </f:then>
+                                    <f:else>
+                                        <f:comment><!-- little hack to avoid some bugs with css structure --></f:comment>
+                                        <div style="height: 40px"></div>
+                                    </f:else>
+                                </f:if>
+                            </li>
                         </ul>
 
                         <f:comment><!-- menu links --></f:comment>