Release 5.16.3

Fixes

• fix extract_mux (using muxer_values instead of muxer_values_)
• check if the invalidation bits length matches the samples length when creating new Signal objects
• fix value searching in the numeric window
• fix stacking of signals in the plot

Changes

• compute the time base when deleting signals from the Plot or when enabling/disabling signals
• hide cursor when the region is active
• allow locking one region end in the plot and controlling which region end is moved on click