chore: fix struct field name and some typos in comment (#23126)

Signed-off-by: oftenoccur <ezc5@sina.com>
Co-authored-by: Marko <marko@baricevic.me>
Co-authored-by: Alex | Skip <alex@skip.money>

schema/testing/statesim/module_diff.go

@@ -40,7 +40,7 @@ func DiffModuleStates(expected, actual view.ModuleState) string {
 			continue
 		}
 		if actualColl == nil {
-			res += fmt.Sprintf("Object Collection %s: actuall collection NOT FOUND\n", objTypeName)
+			res += fmt.Sprintf("Object Collection %s: actual collection NOT FOUND\n", objTypeName)
 			continue
 		}