Disable `desynchronize_mapblock_texture_animation` by default (#13514)

builtin/settingtypes.txt

@@ -1667,7 +1667,7 @@ enable_vbo (VBO) bool true
 cloud_radius (Cloud radius) int 12 1 62
 
 #    Whether node texture animations should be desynchronized per mapblock.
-desynchronize_mapblock_texture_animation (Desynchronize block animation) bool true
+desynchronize_mapblock_texture_animation (Desynchronize block animation) bool false
 
 #    Enables caching of facedir rotated meshes.
 enable_mesh_cache (Mesh cache) bool false

minetest.conf.example

@@ -2681,7 +2681,7 @@
 
 #    Whether node texture animations should be desynchronized per mapblock.
 #    type: bool
-# desynchronize_mapblock_texture_animation = true
+# desynchronize_mapblock_texture_animation = false
 
 #    Enables caching of facedir rotated meshes.
 #    type: bool

src/defaultsettings.cpp

@@ -231,7 +231,7 @@ void set_default_settings()
 	settings->setDefault("gui_scaling", "1.0");
 	settings->setDefault("gui_scaling_filter", "false");
 	settings->setDefault("gui_scaling_filter_txr2img", "true");
-	settings->setDefault("desynchronize_mapblock_texture_animation", "true");
+	settings->setDefault("desynchronize_mapblock_texture_animation", "false");
 	settings->setDefault("hud_hotbar_max_width", "1.0");
 	settings->setDefault("enable_local_map_saving", "false");
 	settings->setDefault("show_entity_selectionbox", "false");