HPCC-11296 remove executable permission from the files which have no extension sh,php and cgi

For any file under dojo, dojox and dijit if the extension is not sh or php or cgi
remove the executable permission.
Merge pull request #5854 from xwang2713/HPCC-11296-dojo-perm2

Hpcc -11296  Correct dojo files  executable permission

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>