Fix OCR lang data failing to load (#15519)

Fixes #15472

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/mastodon/features/ui/components/focal_point_modal.js

@@ -227,7 +227,7 @@ class FocalPointModal extends ImmutablePureComponent {
       const worker = createWorker({
         workerPath: tesseractWorkerPath,
         corePath: tesseractCorePath,
-        langPath: assetHost,
+        langPath: `${assetHost}/ocr/lang-data/`,
         logger: ({ status, progress }) => {
           if (status === 'recognizing text') {
             this.setState({ ocrStatus: 'detecting', progress });