GRIM: Fix background talking behaviour with Toto and Naranja in set si.
(cherry picked from commit 941813522b46b03c2a3e71b1aec994734e376974)
GRIM: Fix many glitches in set si. Fix #622 fix #285

Fix also Naranja stuttering when entering the set sometimes,
Toto speaking to Velasco before picking up the phone or before being towards it
and Toto not speaking anymore to Velasco after Manny screams at him.
(cherry picked from commit bd871a2c4a703ce1657bd847001c2db4b14c278f)