fix: do not inline process.env during bun run and bun test (#7614)

* env stuff

* ok

* undo

* remove unused param

* resolve review comment

* dupe

* it compiles now i promise

test/cli/hot/hot.test.ts

@@ -1,6 +1,6 @@
 import { spawn } from "bun";
 import { expect, it } from "bun:test";
-import { bunExe, bunEnv } from "harness";
+import { bunExe, bunEnv, tempDirWithFiles, bunRun, bunRunAsScript } from "harness";
 import { readFileSync, renameSync, rmSync, unlinkSync, writeFileSync } from "fs";
 import { join } from "path";