fix: inconsistentCjsInterop: true should affect dynamic imports as well (#521)

Author: sapphi-red

packages/vite/src/node/plugins/importAnalysis.ts

@@ -948,11 +948,12 @@ export function interopNamedImports(
   } = importSpecifier
   const exp = source.slice(expStart, expEnd)
   if (dynamicIndex > -1) {
+    const inconsistentCjsInterop = !!config.legacy?.inconsistentCjsInterop
     // rewrite `import('package')` to expose the default directly
     str.overwrite(
       expStart,
       expEnd,
-      `import('${rewrittenUrl}').then(m => (${interopHelperStr})(m.default, 1))` +
+      `import('${rewrittenUrl}').then(m => (${interopHelperStr})(m.default, ${inconsistentCjsInterop ? 0 : 1}))` +
         getLineBreaks(exp),
       { contentOnly: true },
     )