Fix Windows path escaping in dotenv fixtures

Escape backslashes when writing Windows paths to double-quoted .env values.
The parse_dotenv function interprets \r, \t, etc. as escape sequences,
so paths like C:\Users\runneradmin become corrupted when unescaped.

Author: cursoragent

crates/socket-patch-cli/tests/in_process_python_envs.rs

@@ -689,7 +689,7 @@ async fn pipenv_dotenv_settings_pick_the_scanned_venv() {
         project.join(".env"),
         format!(
             "export WORKON_HOME=\"{}\"\nPIPENV_CUSTOM_VENV_NAME=proj-env # named\n",
-            workon.display()
+            workon.display().to_string().replace('\\', "\\\\")
         ),
     )
     .unwrap();

crates/socket-patch-core/src/crawlers/python_crawler.rs

@@ -3545,9 +3545,10 @@ mod tests {
             "HOME",
             tmp.path().join("home").to_string_lossy().into_owned(),
         )]);
+        let base_escaped = base.replace('\\', "\\\\");
         for dotenv in [
             format!("WORKON_HOME={base}/elsewhere\n"),
-            format!("# venvs\nexport WORKON_HOME=\"{base}/elsewhere\"  # here\n"),
+            format!("# venvs\nexport WORKON_HOME=\"{base_escaped}/elsewhere\"  # here\n"),
             format!("WORKON_HOME='{base}/elsewhere'\n"),
             format!("BASE={base}\nWORKON_HOME=${{BASE}}/elsewhere # comment\n"),
         ] {