Font Issue 1: halant with ZWNJ

Review this page in Chrome and Safari Google noto sans Kannada renders the text correctly in both Chrome and Safari.
Kannada Sangam MN and Kannada MN renders correctly in Chrome and breaks the text in Safari.
Chrome uses OT feature, Safari uses AAT feature of Kannada Sangam MN and Kannada MN.
So, this issue in AAT feature of Kannada Sangam MN and Kannada MN.

	Noto Sans Kannada	Kannada Sangam MN (Sans-Serif)	Kannada MN (Serif)
halant with ZWNJ	ಪೋಸ್ಟ್‌ಪೇಯ್ಡ್‌, ಎಕ್ಸ್‌ಪ್ರೆಸ್	ಪೋಸ್ಟ್‌ಪೇಯ್ಡ್‌, ಎಕ್ಸ್‌ಪ್ರೆಸ್	ಪೋಸ್ಟ್‌ಪೇಯ್ಡ್‌, ಎಕ್ಸ್‌ಪ್ರೆಸ್

** This needs to be resolved for all combinations.
"halant + any Kannada consonant + ZWNJ"