Addressing #9474

Addressing #9441

`ENABLED` only works for flag-type options. Floats must use `#ifdef`.

Easier to configure. Catch an odd divisor.

* Fix G26 Circles...

There is significant downside to breaking up the long line segments on UBL Cartesian machines.   It adds a lot of extra computation but worse...  It cuts out all of UBL's off mesh Z-Height correction checks.    There have been a large number of people complaining about the nozzle going to infinity or crashing into the bed lately.   They are being caused by
```
void unified_bed_leveling::line_to_destination_cartesian()
```
not watching over the segments being queued up for movement.

Based on #9610

FILAMENT_LCD_DISPLAY can work with SDSUPPORT

As noted in #8585

Based on #9590 by @studiodyne

Fix #9092

Fix #9482

To reduce confusion over the current timer count vs. the compare (aka "top") value. Caution: this re-uses the function name, changing its meaning.

Fixes #8794