File filter for github doesn't correctly submit comments

[taekahn]

if !c.Result.InDiffContext {
			// If the result is outside of diff context, fallback to GitHub Review
			// Comment API.
			comment := buildPullRequestComment(c, body, g.sha)
			plainComments = append(plainComments, comment)
			continue
		}

This block of code does not seem to function correctly.

The error:
2024/01/22 15:24:23 reviewdog: failed to post a pull request comment: POST https://github....: 422 Invalid request.

No subschema in "oneOf" matched.
"position" wasn't supplied.
"in_reply_to" wasn't supplied.
"subject_type" is not a permitted key.
"line" wasn't supplied. []

The github api attempting to be used is v3
review dog was not being run as a github action.

simply giving a line of 0 (or the real line number if one exists) might fix this, but i didn't keep going past figuring out where the error was coming from and why. I simply switched to diff_context only.

[haya14busa]

@shogo82148 @bgpat

I'm thinking we should revert this feature #1576.

• It doesn't work according to this bug report.
• The comments don't include any position (line) data and must be confusing. I'm not sure it correctly support avoiding posting multiple same comments with new commits.
• Someone (like me) actually prefers using github annotation as a fallback. It can correctly post comments to specific line.

[haya14busa]

If we would keep the feature, we should use the API only when there are no line data.

[haya14busa]

Or/and we should add position data in comments itself somehow.