Fix empty Prepare menu

Use index macro instead of e

delay() is milliseconds

Better sanity check for FILAMENT_CHANGE_FEATURE, FILAMENT_RUNOUT_SCRIPT

Add missing Spanish language definitions.

Drop biv2.5 delta configurations

Define ADV_NEVER, ADV_RATE

Allow M600 when dryrun debugging

LIN_ADVANCE with unified stepper ISR

Add symbol-strings

Update language_de.h

Fix 5194

Suppress warning

Update Japanese translation

Added tarnslation for
```
#define MSG_DEBUG_MENU 
#define MSG_PROGRESS_BAR_TEST
```

Followup to #5550 - spacing before "mm"

I have been a bit too radical in cleaning up this section.

・Add new translation

Allow negative retract values in the LCD

Add description for choice of DEFAULT_DUAL_X_CARRIAGE_MODE

Replace "+mm" with "mm." Allow negative recover-swap length.

- Japanese and Chinese still need update

Support for M335 case light "no case light"

FILAMENT_CHANGE_FEATURE allowed in idle mode

Fix various LCD-related issues

Throw an error for gcc before 4.7

Have bed leveling status output current status, not requested.