FW move altitude first order hold (FOH) and loiter to position special cases from navigator to position controller

Co-authored-by: RomanBapst <bapstroman@gmail.com>

src/modules/fw_pos_control_l1/FixedwingPositionControl.hpp

@@ -194,6 +194,8 @@ private:
 	float	_althold_epv{0.0f};				///< the position estimate accuracy when engaging alt hold
 	bool	_was_in_deadband{false};			///< wether the last stick input was in althold deadband
 
+	float	_min_current_sp_distance_xy{FLT_MAX};
+
 	position_setpoint_s _hdg_hold_prev_wp {};		///< position where heading hold started
 	position_setpoint_s _hdg_hold_curr_wp {};		///< position to which heading hold flies
 
@@ -262,6 +264,7 @@ private:
 	ECL_L1_Pos_Controller	_l1_control;
 	TECS			_tecs;
 
+	uint8_t _type{0};
 	enum FW_POSCTRL_MODE {
 		FW_POSCTRL_MODE_AUTO,
 		FW_POSCTRL_MODE_POSITION,