Sprint: Fix stamina start value (#1159)

gamemodes/terrortown/gamemode/shared/sh_player_ext.lua

@@ -24,6 +24,10 @@ function plymeta:SetupDataTables()
 	-- This has to be transferred, because we need the value when predicting the player movement
 	-- It turned out that this is the only reliable way to fix all prediction errors.
 	self:NetworkVar("Float", 0, "SprintStamina")
+
+	if SERVER then
+		self:SetSprintStamina(1)
+	end
 end
 
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