mcp: fix remote sse connections not working (#244502)

Need to include eventsource-umd with the server

remote/package-lock.json

@@ -8,6 +8,7 @@
       "name": "vscode-reh",
       "version": "0.0.0",
       "dependencies": {
+        "@c4312/eventsource-umd": "^3.0.5",
         "@microsoft/1ds-core-js": "^3.2.13",
         "@microsoft/1ds-post-js": "^3.2.13",
         "@parcel/watcher": "2.5.1",
@@ -46,6 +47,18 @@
         "yazl": "^2.4.3"
       }
     },
+    "node_modules/@c4312/eventsource-umd": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/@c4312/eventsource-umd/-/eventsource-umd-3.0.5.tgz",
+      "integrity": "sha512-0QhLg51eFB+SS/a4Pv5tHaRSnjJBpdFsjT3WN/Vfh6qzeFXqvaE+evVIIToYvr2lRBLg1NIB635ip8ML+/84Sg==",
+      "license": "MIT",
+      "dependencies": {
+        "eventsource-parser": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/@microsoft/1ds-core-js": {
       "version": "3.2.13",
       "resolved": "https://registry.npmjs.org/@microsoft/1ds-core-js/-/1ds-core-js-3.2.13.tgz",
@@ -774,6 +787,15 @@
         "once": "^1.4.0"
       }
     },
+    "node_modules/eventsource-parser": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-3.0.0.tgz",
+      "integrity": "sha512-T1C0XCUimhxVQzW4zFipdx0SficT651NnkR0ZSH3yQwh+mFMdLfgjABVi4YtMTtaL4s168593DaoaRLMqryavA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/expand-template": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",

remote/package.json

@@ -3,6 +3,7 @@
   "version": "0.0.0",
   "private": true,
   "dependencies": {
+    "@c4312/eventsource-umd": "^3.0.5",
     "@microsoft/1ds-core-js": "^3.2.13",
     "@microsoft/1ds-post-js": "^3.2.13",
     "@parcel/watcher": "2.5.1",