XWIKI-22003: Tree macro cannot find attachment from French page locale if current locale is English

(cherry picked from commit bdff9a98)

xwiki-platform-core/xwiki-platform-index/xwiki-platform-index-tree/xwiki-platform-index-tree-macro/src/main/resources/XWiki/DocumentTreeMacros.xml

@@ -1160,6 +1160,7 @@
 #macro (searchAttachmentsSolr $text $limit $return)
   #set ($params = [
     'fq=type:ATTACHMENT',
+    'fq=locale:*',
     'qf=filename^4 attcontent',
     'fl=type wiki spaces name filename'
   ])