[TASK] Form.html: maxlength for search text input field

Fixes: #4341

Author: pi-phi

Resources/Private/Partials/Search/Form.html

@@ -13,7 +13,7 @@
 				</f:for>
 
 				<div class="input-group">
-					<input type="text" class="tx-solr-q js-solr-q tx-solr-suggest tx-solr-suggest-focus form-control" name="{pluginNamespace}[q]" value="{q}" />
+					<input type="text" class="tx-solr-q js-solr-q tx-solr-suggest tx-solr-suggest-focus form-control" name="{pluginNamespace}[q]" value="{q}" maxlength="50" />
 					<button class="btn btn-primary tx-solr-submit" type="submit">
 							<span class="bi bi-search"></span>
 							<f:translate key="submit" extensionName="solr">Search</f:translate>