Disable Go to Selection when there is no selection

Author: jpenilla

web/src/lib/components/menu-bar/MenuBar.svelte

@@ -123,7 +123,8 @@
         <Menubar.Portal>
             <Menubar.Content class="z-20 border bg-neutral text-sm" align="start">
                 <Menubar.Item
-                    class="btn-ghost px-2 py-1 select-none"
+                    class="data-disabled:cursor-notallowed btn-ghost px-2 py-1 select-none data-disabled:pointer-events-none data-disabled:text-em-disabled"
+                    disabled={viewer.selection === undefined}
                     onSelect={() => {
                         if (viewer.selection) {
                             viewer.scrollToFile(viewer.selection.file.index, {
@@ -133,8 +134,10 @@
                                 viewer.jumpToSelection = true;
                             }
                         }
-                    }}>Go to Selection</Menubar.Item
+                    }}
                 >
+                    Go to Selection
+                </Menubar.Item>
             </Menubar.Content>
         </Menubar.Portal>
     </Menubar.Menu>