(cherry picked from commit 99371e971406090a2dba7b9b69f514a8f87afce3)

(cherry picked from commit 468264941d08b00252a4f6f081bc2dff5920bffe)

(cherry picked from commit db50f282bab1e98397cc7434a811b8b7da2fe6dc)

(cherry picked from commit fd3c68cd1a39e059180c35c1d56ffa33ef4dfde4)

(cherry picked from commit 2b153ed074811e735aaa58d57a3fcdf7838e17f5)

(cherry picked from commit eeb3f342b17a744d0c2b2f0360359fa3276f8abd)

Deduplicated anchor heading svg,
Anchor heading svg is now centered for heading