Fix Symbol fonts without font file but with Encoding dictionary (issue 5238)
Disables hash options when PDFBug is disabled and fixed streaming regressions.
Merge pull request #5346 from yurydelendik/streamfix

Misc follow ups on the streaming requests
Merge pull request #5250 from Snuffleupagus/issue-5238

Fix Symbol fonts without font file but with Encoding dictionary (issue 5238)