vscode: fix extraEnv handling numeric values

Author: jhgg

editors/code/package.json

@@ -308,6 +308,9 @@
                         "null",
                         "object"
                     ],
+                    "additionalProperties": {
+                        "type": ["string", "number"]
+                    },
                     "default": null,
                     "markdownDescription": "Extra environment variables that will be passed to the rust-analyzer executable. Useful for passing e.g. `RA_LOG` for debugging."
                 },

editors/code/src/config.ts

@@ -100,8 +100,9 @@ export class Config {
     get serverPath() {
         return this.get<null | string>("server.path") ?? this.get<null | string>("serverPath");
     }
-    get serverExtraEnv() {
-        return this.get<Env | null>("server.extraEnv") ?? {};
+    get serverExtraEnv(): Env {
+        const extraEnv = this.get<{[key: string]: string | number} | null>("server.extraEnv") ?? {};
+        return Object.fromEntries(Object.entries(extraEnv).map(([k, v]) => [k, typeof v !== "string" ? v.toString(): v]));
     }
     get traceExtension() {
         return this.get<boolean>("trace.extension");