fix(ideal-image): Add issuer to ideal-image Webpack loader (#10910)

packages/docusaurus-plugin-ideal-image/src/index.ts

@@ -54,6 +54,12 @@ export default function pluginIdealImage(
           rules: [
             {
               test: /\.(?:png|jpe?g)$/i,
+              // We don't want to use the image loader for non-React source code
+              // ie we don't want to use ideal image loader for CSS files...
+              // See https://github.com/facebook/docusaurus/issues/10862
+              issuer: {
+                and: [/\.(?:tsx?|jsx?|mdx?)$/i],
+              },
               use: [
                 require.resolve('@docusaurus/lqip-loader'),
                 {