Update linker to provide new webviewAssets field (#22)

## 💸 TL;DR
- Updated local asset support to provide webview assets from the new map
in the bundle.
- Cleaned up uses a bit

## 🧪 Testing Steps / Validation
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and screenshots where applicable -->

## ✅ Checks
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- [ ] CI tests (if present) are passing
- [ ] Adheres to code style for repo
- [ ] Contributor License Agreement (CLA) completed if not a Reddit
employee

package.json

@@ -10,12 +10,12 @@
     "@codemirror/lint": "6.5.0",
     "@codemirror/state": "6.4.1",
     "@codemirror/view": "6.26.3",
-    "@devvit/previews": "0.10.21-next-2024-05-13-b48ce196f.0",
-    "@devvit/protos": "0.10.21-next-2024-05-13-b48ce196f.0",
-    "@devvit/public-api": "0.10.21-next-2024-05-13-b48ce196f.0",
-    "@devvit/runtime-lite": "0.10.21-next-2024-05-13-b48ce196f.0",
-    "@devvit/shared-types": "0.10.21-next-2024-05-13-b48ce196f.0",
-    "@devvit/ui-renderer": "0.10.21-next-2024-05-13-b48ce196f.0",
+    "@devvit/previews": "0.10.23-next-2024-06-13-cad38246a.0",
+    "@devvit/protos": "0.10.23-next-2024-06-13-cad38246a.0",
+    "@devvit/public-api": "0.10.23-next-2024-06-13-cad38246a.0",
+    "@devvit/runtime-lite": "0.10.23-next-2024-06-13-cad38246a.0",
+    "@devvit/shared-types": "0.10.23-next-2024-06-13-cad38246a.0",
+    "@devvit/ui-renderer": "0.10.23-next-2024-06-13-cad38246a.0",
     "@esm-bundle/chai": "4.3.4-fix.0",
     "@types/jsdom": "21.1.6",
     "@types/mocha": "10.0.6",
@@ -60,8 +60,8 @@
       "gzip": "3.5 KB"
     },
     "dist/play-pen.js": {
-      "none": "37000 KB",
-      "gzip": "5400 KB"
+      "none": "37200 KB",
+      "gzip": "5410 KB"
     }
   },
   "typesVersions": {