platforms: prevent stackoverflow for ekf2 sideslip

It turns out that ekf2 needs more stack when sideslip fusion fails.
Sideslip fusion is currently only enabled for fixedwing by default and
not executed in testing.

platforms/common/include/px4_platform_common/px4_work_queue/WorkQueueManager.hpp

@@ -64,7 +64,8 @@ static constexpr wq_config_t I2C2{"wq:I2C2", 1400, -10};
 static constexpr wq_config_t I2C3{"wq:I2C3", 1400, -11};
 static constexpr wq_config_t I2C4{"wq:I2C4", 1400, -12};
 
-static constexpr wq_config_t att_pos_ctrl{"wq:att_pos_ctrl", 6600, -13}; // PX4 att/pos controllers, highest priority after sensors
+// PX4 att/pos controllers, highest priority after sensors.
+static constexpr wq_config_t att_pos_ctrl{"wq:att_pos_ctrl", 7200, -13};
 
 static constexpr wq_config_t hp_default{"wq:hp_default", 1900, -14};