ORA-5.2.10

#1555 Extension of NN tab
#1579 MBot2 zeigt 'NO_PORT' im Programmierblock
#1505 JoyCar Integration
#1599 Blocks placement crash
#1591 xNN - activation functions
#1595 xNN - display with many neurons
#1592 xNN - scale browser window
#1603 Error in "neuralnetwork.ui.js" when switching to any language
#1569 New welcome note for the lab!
#1608 [Calliope mini][micro:bit] Messages->Set channel to bug in some languages
#1609 Calliope mini - get LED brightness x y reversed within SIM
#1580 Simulation lacks precision when sensor values are read from the environment
#1596 Sim: No deletion of the robot draw track with "reset the positions ..."
#1589 WEDO and lists
#1615 URL and URL parameters need refactoring
#1568 Migration from Bootstrap 3 to 5
#1616 save menu entry always disabled
#1600 mbot2 drive curve with distance doesn't drive correct distance (in some cases)
#1624 Mbot2 only: source code editor run button is without function
#1598 Python Mbed: New line character in comment generates faulty code
#1617 xNN on tablets unusable