John Stamos is taking some heat for how he chose to stand in "solidarity" with good pal and former castmate Dave Coulier, who announced he was diagnosed with Stage 3 non-Hodgkin lymphoma last week.The 61-year-old actor posted a photo on social media wearing a bald cap alongside a bald Coulier, who preemptively shaved his head before his treatment started. In one image, Stamos can be seen using a buzz cutter to precision on Coulier's head."Nothing like throwing on a bald cap and flexing some Photoshop skills to show some love and solidarity with my bro You’re handling this with so