Cleanup: Properties Panel (#7137)

## Summary

- Code cleanup
- Copy, padding, color, alignment of components
- Subgraph Edit mode changes
- Partial fix for the Node Info location (need to do context menu still)
- Editing node title

### Still to-do

- Bi-directionality in values

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7137-WIP-Cleanup-Properties-Panel-2be6d73d3650813e9430f6bcb09dfb4d)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

src/locales/en/main.json

@@ -2259,20 +2259,17 @@
   "rightSidePanel": {
     "togglePanel": "Toggle properties panel",
     "noSelection": "Select a node to see its properties and info.",
-    "multipleSelection": "{count} items selected",
+    "title": "No node(s) selected | 1 node selected | {count} nodes selected",
     "parameters": "Parameters",
     "info": "Info",
-    "nodeType": "Type",
-    "nodeId": "ID",
-    "description": "Description",
     "color": "Node color",
     "pinned": "Pinned",
     "bypass": "Bypass",
     "normal": "Normal",
     "mute": "Mute",
     "inputs": "INPUTS",
-    "properties": "Properties",
-    "nodeState": "Node state",
-    "settings": "Settings"
+    "inputsNone": "NO INPUTS",
+    "inputsNoneTooltip": "Node has no inputs",
+    "nodeState": "Node state"
   }
-}
+}