Adjust gitattributes to ignore all files_sharing scripts in diff

Signed-off-by: Julius Härtl <jus@bitgrid.net>

.gitattributes

@@ -5,8 +5,8 @@
 /apps/accessibility/js/accessibility.js.map binary
 /apps/comments/js/*.js binary
 /apps/comments/js/*.js.map binary
-/apps/files_sharing/js/additionalScripts.js binary
-/apps/files_sharing/js/additionalScripts.js.map binary
+/apps/files_sharing/js/dist/*.js binary
+/apps/files_sharing/js/dist/*.js.map binary
 /apps/files_versions/js/files_versions.js binary
 /apps/files_versions/js/files_versions.js.map binary
 /apps/oauth2/js/oauth2.js binary