docs: build.minify defaults to false for SSR (#15636)

docs/config/build-options.md

@@ -193,7 +193,7 @@ During the SSR build, static assets aren't emitted as it is assumed they would b
 ## build.minify
 
 - **Type:** `boolean | 'terser' | 'esbuild'`
-- **Default:** `'esbuild'`
+- **Default:** `'esbuild'` for client build, `false` for SSR build
 
 Set to `false` to disable minification, or specify the minifier to use. The default is [esbuild](https://github.com/evanw/esbuild) which is 20 ~ 40x faster than terser and only 1 ~ 2% worse compression. [Benchmarks](https://github.com/privatenumber/minification-benchmarks)