fix(linter): enable multi-file analysis for nested configs (#10089)

- fixes #10054

previously, multi-file analysis was only enabled when the root `.oxlintrc.json` contained the import plugin. now, we enable if any `.oxlintrc.json` has the import plugin.

Author: camchenry

Diff for: apps/oxlint/fixtures/issue_10054/.oxlintrc.json

@@ -0,0 +1,6 @@
+{
+  "plugins": ["import"],
+  "rules": {
+    "import/no-cycle": "error"
+  }
+}

Diff for: apps/oxlint/fixtures/issue_10054/a.ts

@@ -0,0 +1,3 @@
+import { b } from "./b";
+
+console.log(b);

Diff for: apps/oxlint/fixtures/issue_10054/b.ts

@@ -0,0 +1,3 @@
+import "./a";
+
+export const b = "b";

Diff for: apps/oxlint/src/lint.rs

@@ -316,8 +316,15 @@ impl Runner for LintRunner {
             }
         }
 
-        let mut options = LintServiceOptions::new(self.cwd, paths)
-            .with_cross_module(config_builder.plugins().has_import());
+        // TODO(refactor): pull this into a shared function, so that the language server can use
+        // the same functionality.
+        let use_cross_module = if use_nested_config {
+            nested_configs.values().any(|config| config.plugins().has_import())
+        } else {
+            config_builder.plugins().has_import()
+        };
+        let mut options =
+            LintServiceOptions::new(self.cwd, paths).with_cross_module(use_cross_module);
 
         let lint_config = match config_builder.build() {
             Ok(config) => config,
@@ -1057,4 +1064,10 @@ mod test {
         let args = &["overrides_same_directory"];
         Tester::new().with_cwd("fixtures/extends_config".into()).test_and_snapshot(args);
     }
+
+    #[test]
+    fn test_nested_config_multi_file_analysis_imports() {
+        let args = &["issue_10054"];
+        Tester::new().with_cwd("fixtures".into()).test_and_snapshot(args);
+    }
 }

Diff for: apps/oxlint/src/snapshots/fixtures_issue_10054@oxlint.snap

@@ -0,0 +1,33 @@
+---
+source: apps/oxlint/src/tester.rs
+---
+########## 
+arguments: issue_10054
+working directory: fixtures
+----------
+
+  x ]8;;https://oxc.rs/docs/guide/usage/linter/rules/import/no-cycle.html\eslint-plugin-import(no-cycle)]8;;\: Dependency cycle detected
+   ,-[issue_10054/a.ts:1:19]
+ 1 | import { b } from "./b";
+   :                   ^^^^^
+ 2 | 
+   `----
+  help: These paths form a cycle:
+        -> ./b - fixtures/issue_10054/b.ts
+        -> ./a - fixtures/issue_10054/a.ts
+
+  x ]8;;https://oxc.rs/docs/guide/usage/linter/rules/import/no-cycle.html\eslint-plugin-import(no-cycle)]8;;\: Dependency cycle detected
+   ,-[issue_10054/b.ts:1:8]
+ 1 | import "./a";
+   :        ^^^^^
+ 2 | 
+   `----
+  help: These paths form a cycle:
+        -> ./a - fixtures/issue_10054/a.ts
+        -> ./b - fixtures/issue_10054/b.ts
+
+Found 0 warnings and 2 errors.
+Finished in <variable>ms on 2 files using 1 threads.
+----------
+CLI result: LintFoundErrors
+----------