Update package.json

Changed default value from "chrome" to "edge"

src/Razor/src/Microsoft.AspNetCore.Razor.VSCode.Extension/package.json

@@ -81,7 +81,7 @@
                   "browser": {
                     "type": "string",
                     "description": "The debugging browser to launch (Edge or Chrome)",
-                    "default": "chrome",
+                    "default": "edge",
                     "enum": ["chrome", "edge"]
                   },
                   "trace": {