Generates an array of evenly-spaced random points using Bridson's Poisson Disc sampling algorithm. Unlike `RandomNumbersArray`, points are guaranteed to maintain a minimum distance from each other, producing organic, non-overlapping distributions — ideal for natural-looking layouts such as particle fields, scatter patterns, or instanced object placement. Supports both 2D (`XY`) and 3D (`XYZ`) modes. Output is a flat array compatible with `ArrayIterator` (stride 2 or 3). Seeded PRNG ensures reproducible results.