Resolve "Update docs for v1.19.0" - leftovers

Description

Update docs for ELLA v1.19.0 - remaining MRs.

Notes to review

Related issues/MRs

Related MRs:

• !817 (merged)
• !818 (merged)
• !819 (merged)
• !820 (merged)
• !821 (merged)
• !822 (merged)

Closes #2278 (closed)