Add a mode for debugging the extremely flaky netcoredbg

support/test/csharp/.vimspector.json

@@ -1,4 +1,22 @@
 {
+  "adapters": {
+    "netcoredbg-debuglog": {
+      "attach": {
+        "pidProperty": "processId",
+        "pidSelect": "ask"
+      },
+      "command": [
+        "${gadgetDir}/netcoredbg/netcoredbg",
+        "--interpreter=vscode",
+        "--engineLogging=${workspaceRoot}/netcoredbg.engine.log",
+        "--log=${workspaceRoot}/netcoredbg.log"
+      ],
+      "configuration": {
+        "cwd": "${workspaceRoot}"
+      },
+      "name": "netcoredbg"
+    }
+  },
   "configurations": {
     "launch - netcoredbg": {
       "adapter": "netcoredbg",
@@ -9,6 +27,15 @@
         "stopAtEntry": true
       }
     },
+    "launch - netcoredbg - with debug log": {
+      "adapter": "netcoredbg-debuglog",
+      "configuration": {
+        "request": "launch",
+        "program": "${workspaceRoot}/bin/Debug/netcoreapp2.2/csharp.dll",
+        "args": [],
+        "stopAtEntry": true
+      }
+    },
     "launch - mono": {
       "adapter": "vscode-mono-debug",
       "configuration": {