VERSION 0.121.1371: realtime-renderer stability improvement and more — JWildfireSwan Steam update #3725983

I now solved the problem, that some fractals fade to black during editing or realtime-animation-preview. And, as usual, there is much more, see the full changelog: VERSION 0.121.1371 (15.09.2025): - realtime-animation-preview and realtime-editing: the renderer automatically analyzes the iteration-buffers and performs a re-initialization when too many samples are turning to infinite/invalid numbers (this effect causes the fractal to get darker with time and happens when the fractal reaches an unstable (in-between) state during editing or animation) (SWAN-59) - flame-editor: clone also the variation-priority when duplicating a variation (SWAN-153) - flame-editor: show also the time in realtime-animation-preview - motion-curve-modulation: added an additional sum_fft() which accumulates a range of fft-channels, because it is sometimes difficult to pick the right one if you can only pick one ...