bCNC WCS Button Bug

bCNC gcode terminal commands for problem with
WCS buttons not working correctly.  After probe command, I can't
click on a WCS button to change the work coordinates.  Button
focus keeps reverting backl
https://github.com/vlachoudis/bCNC/issues/34

ok
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G91G0Y-0.05
G90
ok
ok
G54 G20 G38.2 Y-11 F0.118
[PRB:-6.5174,-4.9867,-2.2394]
ok
$#
$G
[G54:0.0000,0.0000,-0.0001]
[G55:-1.5928,-5.5558,-2.2827]
[G56:-7.5172,-5.4896,-2.2888]
[G57:0.0000,0.0000,-0.0001]
[G58:0.0000,0.0000,0.0000]
[G59:0.0000,0.0000,0.0000]
[G28:-6.4741,-7.9272,-1.0396]
[G30:-8.0000,-8.0000,-1.5900]
[G92:0.0000,0.0000,0.0000]
[TLO:0.0000]
[PRB:-6.5174,-4.9867,-2.2394]
ok
G54 G17 G20 G90 G94 M0 M5 M9 T0 F0.1]
ok
G55
$G
ok
G55 G17 G20 G90 G94 M0 M5 M9 T0 F0.1]
ok
G55
$G
ok
G55 G17 G20 G90 G94 M0 M5 M9 T0 F0.1]
ok
G55
$G
ok
G55 G17 G20 G90 G94 M0 M5 M9 T0 F0.1]
ok
G91G0Y0.05
G90
ok
ok
G91G0Y0.05
G90
ok
ok
$#
$G
[G54:0.0000,0.0000,-0.0001]
[G55:-1.5928,-5.5558,-2.2827]
[G56:-7.5172,-5.4896,-2.2888]
[G57:0.0000,0.0000,-0.0001]
[G58:0.0000,0.0000,0.0000]
[G59:0.0000,0.0000,0.0000]
[G28:-6.4741,-7.9272,-1.0396]
[G30:-8.0000,-8.0000,-1.5900]
[G92:0.0000,0.0000,0.0000]
[TLO:0.0000]
[PRB:-6.5174,-4.9867,-2.2394]
ok
[G0 G55 G17 G20 G90 G94 M0 M5 M9 T0 F0.1]
ok
G56
$G
ok
[G0 G56 G17 G20 G90 G94 M0 M5 M9 T0 F0.1]
ok