test(linter/plugins): use subpath imports in tests (#16075)

#15920 altered `import`s in tests to use `'#eslint'` subpath. Make recently-added tests follow the same pattern.

Author: overlookmotel

apps/oxlint/test/fixtures/sourceCode_token_methods/plugin.ts

@@ -1,4 +1,4 @@
-import type { Plugin, Rule } from '../../../dist/index.js';
+import type { Plugin, Rule } from '#oxlint';
 
 const rule: Rule = {
   create(context) {

apps/oxlint/test/fixtures/tokens/plugin.ts

@@ -1,4 +1,4 @@
-import type { Plugin, Rule } from '../../../dist/index.js';
+import type { Plugin, Rule } from '#oxlint';
 
 const rule: Rule = {
   create(context) {