This looks more like an accident, than a coincidence. But certainly not intentional.
Something just slipping through quality control at CBS. Probably because the source was so obscure, and added behind-the-scenes drama. Definitely no malevolence involved. If that's what happened.
Okay, I thought I could leave this with my GIF from last night but I can’t. I need you to really open your brain for a second here, Rahul, listen to facts and just consider the idea that CBS wasn't stealing, intentionally or not, from the little guy.
Star Trek: Discovery is a TV show with relatively high production values. The show has been compared to a movie in this regard and while there have been significant improvements in the effects in season two, those in the first year weren’t any slouch either. One of those visual effects is Ripper, a creature that actually interacts a bit with live action elements. This requires a lot of work, both on set and off to achieve and that requires time.
Abdin never once released a video showing the Tardigrade’s FTL ability until July 2017. There was no evidence that this method of travel was in his game design and setup until this time. At that point, Star Trek Discovery’s fifteen episode first season had been in production for six months, not to mention the fifteen months since the show started development with Fuller at the helm. Likely, by the time that Abdin’s video had been released, the series was well into at least shooting Episode 10, the writing for the season was done and effects work had to at least be completed on Episode 3 or 4, and in the early stages up to Episode 6 or 7 which meant Ripper had been in the works for awhile. In fact, digging through the TrekCore archives, I was able to find this:

On July 25, 2017 Jonathan Frakes was working on episode 10 of season 1, "Despite Yourself." That is thirteen days after the first appearance of the Tardigrade hug from Abdin's game. The Discovery production had left Ripper behind and was in the mirror universe. The design of the Tardigrade had to be much earlier based on this photo (which unfortunately is undated) from earlier in the season.

There is no evidence of man-sized Tardigrades prior to that July 12th video in any of Abdin's work. Believe me, I spent more time than I should have digging through his website last night. The more evidence I'm able to drum up, the more I am convinced that this is just two things that developed around the same time. Nothing more. Nothing less.
So a full three months after the first trailer for Discovery which featured the "stolen" characters and blue uniforms/blue lighting. They must have loved his stuff even before Tardigrades came along. Then of course they went back and remade early episodes to include his updates.
Now, too be fair, in my research, Abdin's videos from as early as 2014 show blue uniforms. Along with green ones. Black ones. And purple ones. But I still think there's a certain amount of this...

in this...

And if I was going to be completely honest, this...

is a lot closer than the first one than the second.
And which one came first? Hmmmmmm.....
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