[Glitch] Rename JSX files with proper .jsx extension

Port 44a7d87cb1 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/packs/admin.jsx

@@ -0,0 +1,24 @@
+import 'packs/public-path';
+import ready from 'flavours/glitch/ready';
+
+ready(() => {
+  const React    = require('react');
+  const ReactDOM = require('react-dom');
+
+  [].forEach.call(document.querySelectorAll('[data-admin-component]'), element => {
+    const componentName  = element.getAttribute('data-admin-component');
+    const { locale, ...componentProps } = JSON.parse(element.getAttribute('data-props'));
+
+    import('flavours/glitch/containers/admin_component').then(({ default: AdminComponent }) => {
+      return import('flavours/glitch/components/admin/' + componentName).then(({ default: Component }) => {
+        ReactDOM.render((
+          <AdminComponent locale={locale}>
+            <Component {...componentProps} />
+          </AdminComponent>
+        ), element);
+      });
+    }).catch(error => {
+      console.error(error);
+    });
+  });
+});