v1.2.46

• Add NanoVNA H v3.7 and NanoVNA H4 v4.4 support (use Mode = SWC5351 in expert settings)
• Add Auto Scale (Calculate reference and scale values depend from max and min trace values, aligning with 'beautiful' borders)
• Reset E-Delay settings on load snp file
• Change Logmag value format (not use suffixes)
• Fix |Z| calculation
• Delta F output on XTAL measures
• Change channel (Channel button) only if trace type available for this
• Fix S21 offset apply if Standard Load R != 50 Om (or Port Z != 50)
• Rename traces to Cs, Ls, Cp, Lp (sC, sL, pC, pL before)
• Fix draw '0' label grid
• Fix STM2F072 ADC init
• Fix EXTI handler
• Fix bug then device not switch thread in delay
• Fix 'measure' command
• Restore I2C read command
• Use infinityf() function (prevent compiler INF optimization)