Share button and Assets Panel in Linear Mode (#6794)

- Re-enables the share button in Linear Mode and have it export the
current workflow
- Not as nice as having it copy an actual URL, but good enough for the
interim and it help with dead space
- Display the Media Assets Panel on the left hand side to replace the
removed Queue Panel

<img width="806" alt="image"
src="https://github.com/user-attachments/assets/93786dfa-8fbb-4368-8594-b9c98bbeb79e"
/>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6794-Share-button-and-Assets-Panel-in-Linear-Mode-2b26d73d36508178aef9ededa38d47f1)
by [Unito](https://www.unito.io)

src/locales/en/main.json

@@ -2199,6 +2199,10 @@
   "vueNodesMigrationMainMenu": {
     "message": "Switch back to Nodes 2.0 anytime from the main menu."
   },
+  "linearMode": {
+    "share": "Share",
+    "openWorkflow": "Open Workflow"
+  },
   "missingNodes": {
     "cloud": {
       "title": "These nodes aren't available on Comfy Cloud yet",