Better TLS Secrets Truncation. (#8489)
Better TLS Secrets Truncation. (#8489)

This improves upon #8483 with an observation from @ywkaras that since
the data is stored in a std::string it will always be null terminated.
Thus these debug logs can be simplified to just use the "%.50s" print
format.
pbchou/trafficserver,pbchou/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,duke8253/trafficserver,duke8253/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,duke8253/trafficserver