Add UI code for configuring subgraphNode widgets (#5826)

The third PR for managing display of widgets on subgraph nodes. This is
the one that actually makes the functionality usable and user visible.

Adds
- A right-side modal for configuring which widgets are promoted,
accessed by right click or selection toolbar
- This menu allows for re-arranging widget order by dragging and
dropping.
- Indicators inside the subgraph for which widgets have been promoted.
- Context menu options for promoting or demoting widget inside of a
subgraph.
<img width="767" height="694" alt="image"
src="https://github.com/user-attachments/assets/4f78645d-7b26-48ba-8c49-78f4807e89e8"
/>
<img width="784" height="435" alt="image"
src="https://github.com/user-attachments/assets/7005c730-a732-481e-befb-57019a8a31a7"
/>


Known issues
- Some preview widgets are not added to a node until a draw operation
occurs. The code does not yet have a way of determining which nodes
should have draw operations forced to facilitate initial widget
creation.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5826-Add-UI-code-for-configuring-subgraphNode-widgets-27c6d73d36508146accbf395e5bcd36a)
by [Unito](https://www.unito.io)

src/locales/en/main.json

@@ -96,6 +96,7 @@
     "searchModels": "Search Models",
     "searchKeybindings": "Search Keybindings",
     "searchExtensions": "Search Extensions",
+    "search": "Search",
     "noResultsFound": "No Results Found",
     "searchFailedMessage": "We couldn't find any settings matching your search. Try adjusting your search terms.",
     "noTasksFound": "No Tasks Found",
@@ -352,6 +353,7 @@
     "Color": "Color",
     "Add Subgraph to Library": "Add Subgraph to Library",
     "Unpack Subgraph": "Unpack Subgraph",
+    "Edit Subgraph Widgets": "Edit Subgraph Widgets",
     "Convert to Subgraph": "Convert to Subgraph",
     "Align Selected To": "Align Selected To",
     "Distribute Nodes": "Distribute Nodes",
@@ -1075,7 +1077,12 @@
     "publish": "Publish Subgraph",
     "publishSuccess": "Saved to Nodes Library",
     "publishSuccessMessage": "You can find your subgraph blueprint in the nodes library under \"Subgraph Blueprints\"",
-    "loadFailure": "Failed to load subgraph blueprints"
+    "loadFailure": "Failed to load subgraph blueprints",
+    "shown": "Shown on node",
+    "showAll": "Show all",
+    "hidden": "Hidden / nested parameters",
+    "hideAll": "Hide all",
+    "showRecommended": "Show recommended widgets"
   },
   "electronFileDownload": {
     "inProgress": "In Progress",