Stuck on "Waiting for Spawn Chunk"

[lostmsu]

Describe the bug
Debug build gets stuck on "Waiting for Spawn Chunk" when trying to load newly created world in singleplayer.

To Reproduce
Steps to reproduce the behavior:

1. Open Minecraft for Windows (aka the UWP edition)
2. Create new world
3. Copy the world from AppData\Local\Packages\Microsoft.MinecraftUWP_8wekyb3d8bbwe\LocalState\games\com.mojang\minecraftWorlds\nSkLYoZXAAA= to AppData\Roaming\Alex\storage\worlds
4. Build and launch Alex in Debug configuration (might also be a problem in Release)
5. Go to Single Player, select the copied world and click "select"

Expected behavior
World should load

Actual behavior
App is stuck on "Waiting for Spawn Chunk..."

Screenshots

Desktop (please complete the following information):

• OS: Windows 10 21H2
• Platform: x64
• GPU: RTX 3090
• Build number: 8919d98 (master as of Feb 15, 2022)

Additional context
This is the log:

INFO|Entity|Player health update! Name: minecraft:health, MinValue: 0, MaxValue: 20, Value: 20
INFO|BedrockClientPacketHandler|Received chunkradius. Requested=12 Received=12
WARN|RakConnection|ACK, Failed to remove datagram #35 for Steve. Queue size=2 
WARN|BedrockClientPacketHandler|Unhandled bedrock packet: McpeCreativeContent (0x91) 
INFO|BedrockClientPacketHandler|Registered 19 commands.
INFO|BedrockClientPacketHandler|Play Status: Player spawn
INFO|BedrockClient|Sent LocalPlayerInitialized
WARN|RakConnection|NAK RSND, Resent #38 Type: 0 (0x00) for Steve (265 > 252) RTO 126 
WARN|RakConnection|NAK RSND, Resent #39 Type: 0 (0x00) for Steve (267 > 378) RTO 126 
WARN|RakConnection|NAK RSND, Resent #40 Type: 0 (0x00) for Steve (270 > 504) RTO 126 
WARN|RakConnection|NAK RSND, Resent #41 Type: 0 (0x00) for Steve (272 > 630) RTO 126 
WARN|RakConnection|NAK RSND, Resent #42 Type: 0 (0x00) for Steve (272 > 756) RTO 126 
WARN|RakConnection|NAK, no datagram #47 for Steve 
WARN|RakConnection|NAK, no datagram #48 for Steve 
WARN|RakConnection|NAK RSND, Resent #43 Type: 0 (0x00) for Steve (275 > 252) RTO 118 
WARN|ManagedTaskManager|Task execution time exceeds frametime by 15.63ms skipping 19 frames (Tag=Skin Texture, Player=Steve, Width=64 Height=64) 
WARN|RakConnection|NAK RSND, Resent #50 Type: 0 (0x00) for Steve (321 > 369) RTO 123 
INFO|ConnectionInfo|Players 1, Pkt in/out(#/s) 30/55, ACK(in-out)/NAK/RSND/FTO(#/s) (11-14)/12/29/0, THR in/out(Mbps) 0.01/0.41, PktSz Total in/out(B/s)810/51530, PktSz Avg(100s) in/out(B)11700/10343
INFO|ConnectionInfo|Players 1, Pkt in/out(#/s) 17/16, ACK(in-out)/NAK/RSND/FTO(#/s) (0-16)/0/0/0, THR in/out(Mbps) 0.01/0.00, PktSz Total in/out(B/s)840/112, PktSz Avg(100s) in/out(B)10534/9309
INFO|ConnectionInfo|Players 1, Pkt in/out(#/s) 16/16, ACK(in-out)/NAK/RSND/FTO(#/s) (0-16)/0/0/0, THR in/out(Mbps) 0.01/0.00, PktSz Total in/out(B/s)786/112, PktSz Avg(100s) in/out(B)9485/8378