Unify dt_push_post_args usage

[gthayer]

Unified the usage of dt_push_post_args, where External Connections are using 3 variables with the 3rd being the class object, while Internal Connections have 4 variables with the 4th being the class object. Added the $args value in the 3rd slot and pushed the class object to the 4th value.

Fixes: #370

[jeffpaul]

@gthayer it looks like the build failed on these changes, mind giving those a review to try and ensure this build passes?

[gthayer]

@jeffpaul - I'm not familiar with the CI setup here, but it looks like there was a timeout error on the build:

Nesk\Rialto\Exceptions\Node\FatalException: waiting for selector ".media-modal-content" failed: timeout 90000ms exceeded

I'm not certain this was caused by the code changes. Do you have any additional insight into this? I might be overlooking a button, but I don't see a means of re-running the build.

[jeffpaul]

@gthayer might be a permissions issue, I just re-ran the build. 🤞

[gthayer]

@jeffpaul - It looks like the build failed again. I'm afraid I don't see what the cause might be. The commit is a fairly simple change to one line, and that file is not referenced in any of the notices in the build script.

I think the test "Push data sync" is failing, which I assume is this? dc99af51500440a672b0aeece0b49d1f/tests/wpacceptance/InternalPushTest.php#L54

[jeffpaul]

@adamsilverstein @dkotter as either of you get a chance, could you check that failing test to see if it needs to be updated?

[jeffpaul]

Resolves #123