Bug 1785837 - Update text recognition support link; r=nordzilla

Differential Revision: https://phabricator.services.mozilla.com/D155415

browser/components/textrecognition/textrecognition.html

@@ -30,7 +30,7 @@
     <div class="textRecognitionHeader" id="text-recognition-header-no-results">
       <img class="textRecognitionNoResultIcon" src="chrome://global/skin/icons/warning.svg" role="presentation"/>
       <span data-l10n-id="text-recognition-modal-no-results-title">
-        <a data-l10n-name="error-link" href="https://support.mozilla.org/%LOCALE%/kb/placeholder5"></a>
+        <a data-l10n-name="error-link" href="https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/text-recognition"></a>
       </span>
     </div>
     <div class="textRecognitionText" role="document"></div>