Scripts/Item: Change Nitro -> Boosts <- to use the correct knockup effect for their backfire. Also, script that knockup effect to work properly ("usually" deploy a rescue parachute).

Port From (https://github.com/TrinityCore/TrinityCore/commit/89006f621e0c59d88ab6102d2c67071aaeeb8ee9)

sql/updates/world/master/2020_08_19_00_world_2017_07_18_01_world.sql

@@ -0,0 +1,2 @@
+-- correct typo in script name
+UPDATE `spell_script_names` SET `ScriptName`="spell_item_nitro_boosts" WHERE `ScriptName`="spell_item_nitro_boots";

sql/updates/world/master/2020_08_19_01_world_2017_07_18_03_world.sql

@@ -0,0 +1,3 @@
+--
+DELETE FROM `spell_script_names` WHERE `scriptname`='spell_item_nitro_boosts_backfire';
+INSERT INTO `spell_script_names` (`spell_id`,`scriptname`) VALUES (54621,'spell_item_nitro_boosts_backfire');