Fix typos

[NathanBaulch]

Description

Just thought I'd contribute some typo fixes that I stumbled on. Nothing controversial (hopefully).
Let me know if this is considered a fix: or a chore: and I can add the appropriate commit message prefix if desired.

• repetead (15)
• itms (6)
• editon (4)
• itemis (3)
• infinte (2)
• diolog (2)
• pervious (2)
• environmnent (1)
• javscript (1)
• pretiffy (1)
• avoif (1)
• emoving (1)
• mutiple (1)
• reqroduce (1)

Contribution Checklist:

• The pull request only addresses one issue or adds one feature.
• The pull request does not introduce any breaking changes
• I have added screenshots or gifs to help explain the change if applicable.
• I have read the contribution guidelines.
• Create an issue and link to the pull request.