Summary

This PR fix the typos as seen in various files.

seach > search
extenstion > extension
compatbility > compatibility
implmentation > implementation
laoded > loaded

Related issue, if any:

What kind of change does this PR introduce?

For any code change,

• Related documentation has been updated, if needed
• Related tests have been added or updated, if needed

Does this PR introduce a breaking change?

No

Tested in the following browsers:

• Chrome
• Firefox
• Safari
• Edge