Handle import of unknown nodes that include module meta

packages/node_modules/@node-red/nodes/core/common/98-unknown.html

@@ -1,14 +1,22 @@
 
 <script type="text/html" data-template-name="unknown">
-    <div class="form-tips"><span data-i18n="[html]unknown.tip"></span></div>
+    <div class="form-tips">
+        <span data-i18n="[html]unknown.tip"></span>
+        <p id="unknown-module-known">
+            <button id="unknown-manage-dependencies" class="red-ui-button">Manage dependencies</button>
+        </p>
+    </div>
+    </div>
+    
 </script>
 
 <script type="text/javascript">
-    RED.nodes.registerType('unknown',{
+    RED.nodes.registerType('unknown', {
         category: 'unknown',
-        color:"#fff0f0",
+        color:"#fff000",
         defaults: {
-            name: {value:""}
+            name: {value:""},
+            modules: { value: [] }
         },
         inputs:1,
         outputs:1,
@@ -18,6 +26,20 @@
         },
         labelStyle: function() {
             return "node_label_unknown";
+        },
+        oneditprepare: function () {
+            const node = this
+            if (this.modules && this.modules.length > 0) {
+                $('#unknown-manage-dependencies').on('click', function () {
+                    RED.actions.invoke('core:cancel-edit-tray')
+                    RED.actions.invoke('core:manage-palette', {
+                        view: 'install',
+                        filter: '"' + node.modules.join('", "') + '"'
+                    })
+                })
+            } else {
+                $('#unknown-module-known').hide()
+            }
         }
     });
 </script>