I don't see any dropped frames in your log, but I imagine things might run better if OBS was running on your discrete GPU instead of the integrated one. This isn't a laptop, is it?
21:06:05.901: Adapter 0: Intel(R) HD Graphics 630
21:06:05.901: Dedicated VRAM: 134217728
21:06:05.901: Shared VRAM: 4234582016
21:06:05.901: output 0: pos={0, 0}, size={1920, 1080}, attached=true
21:06:05.901: output 1: pos={1920, 0}, size={1920, 1080}, attached=true
21:06:05.901: Adapter 1: NVIDIA GeForce GTX 1050 Ti
21:06:05.901: Dedicated VRAM: 4216324096
21:06:05.901: Shared VRAM: 4234582016
21:06:05.903: Loading up D3D11 on adapter Intel(R) HD Graphics 630 (0)
21:06:05.913: D3D11 loaded successfully, feature level used: b000