By Dave Meltzer, Wrestling Observer Paul Levesque didn’t reinvent the wheel with his first pay-per-view at the helm, but time will tell how the company’s television product changes with him in charge. After the seismic shift in WWE with the departure of Vince McMahon over sexual misconduct allegations, Saturday’s SummerSlam was the first test of the new regime. The first major show was a success, both artistically and aesthetically, with 40,117 fans at Nissan Stadium in Nashville. The visuals were impressive, giving the show a look that is different from its weekly television shows and all but…