Sprint toggle state is not remembered across game restarts

Short description of the issue:
When the sprint key is set to "Toggle" mode, the client does not remember the active sprint state from the previous session after restarting the game.

Steps to reproduce:

1. Go to Options -> Controls and set "Sprint" to "Toggle".

2. Enter a world and press the sprint key to activate sprint mode.

3. Save and quit the world, then close the game.

4. Relaunch Minecraft and rejoin the world.

5. Move forward and check the sprint state.

Expected result:
The client remembers the toggled sprint state from the last session, keeping sprint active.

Actual result:
The sprint state is reset upon restarting, and the player has to toggle it on again manually.