fix: pnpm related dependency bugs - nothing funcitonal (#6094)

Testing this needs a release and there are no functional changes, only pnpm migration issues, so merging early for test.

* fix: pnpm related dependency bugs - nothing funcitonal

* Undo peer dependency due to non-pnpm integration issues

platform/docs/package.json

@@ -84,6 +84,10 @@
     "typescript": "5.5.4",
     "url-loader": "4.1.1"
   },
+  "devDependencies": {
+    "@ohif/core": "workspace:*",
+    "@ohif/ui-next": "workspace:*"
+  },
   "browserslist": {
     "production": [
       ">0.5%",