fix(builder): use original config to check inlineScripts setting (web-infra-dev#8353)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: caohuilin

.changeset/fix-inline-runtime-chunk.md

@@ -0,0 +1,7 @@
+---
+'@modern-js/builder': patch
+---
+
+fix(builder): check original config to determine if inlineScripts was explicitly set by user
+
+fix(builder): 通过检查原始配置来判断 inlineScripts 是否由用户显式设置

packages/cli/builder/src/plugins/runtimeChunk.ts

@@ -33,7 +33,8 @@ export const pluginRuntimeChunk = (
         return;
       }
 
-      if (config.output.inlineScripts === undefined) {
+      const originalConfig = api.getRsbuildConfig('original');
+      if (originalConfig.output?.inlineScripts === undefined) {
         config.output.inlineScripts = RUNTIME_CHUNK_REGEX;
       }
     });