Update 1.7/build 3

The second Beta of Update 1.7. See changelog.

Fixes

 * Fixed several crashes that occurred during gameplay.
 * Fixed a crash that occurred when clearing the  display slot on Scoreboards when there was no objective assigned to it.
 * Fixed corrupted skin textures from the previous beta update.
 * Ladders no longer generate in midair on Village church structures.
 * Double tall sea grass once again renders properly.
 * The proper sound now plays when the Wither is spawned (MCPE-35179).
 * The Looting III enchantment once again increases mob loot drop chances (MCPE-35307).
 * Iron Golems once again attack monsters while standing on non-full blocks.
 * Fixed formatted text getting cut off on the HUD.
 * Scoreboard entries are now sorted alphabetically when scores are tied.
 * Fixed alignment issues and update issues with the Scoreboard UI.
 * Removing points from entities that are not added to a Scoreboard no longer results in adding points to these entities instead.
 * The Scoreboard sidebar now limits the amount of entries displayed on screen.