Added possible trigger to air recon

Changelog Ferrari

@@ -42,6 +42,7 @@ Fixes
 - Switzerland no longer accidently becomes German.
 - You will no longer get invinite Academics if you do not close the new academic event.
 - It is no longer possible to use various advanced weapons at the same time, you have to decide for one.
+- Air recon is mostly mutually exclusive now.
 
 Quality of Life
 - Added a notification that informs you when you get progress to a technology from an engineers research project.

common/mobilization_options/mr_mobilization_option.txt

@@ -58,6 +58,15 @@ mobilization_option_ballon_recon = {
 	unlocking_technologies = {
 		curtiss_reconnaissance_balloon_tech
 	}
+
+	possible = {
+		scope:military_formation = {
+			NOR = {
+				has_mobilization_option = mobilization_option:mobilization_option_aerial_recon
+				has_mobilization_option = mobilization_option:mobilization_option_zeppelin_recon
+			}
+		}
+	}
 
 	on_activate_while_mobilized = {
 		custom_tooltip = {
@@ -100,6 +109,15 @@ mobilization_option_zeppelin_recon = {
 	unlocking_technologies = {
 		zeppelins
 	}
+
+	possible = {
+		scope:military_formation = {
+			NOR = {
+				has_mobilization_option = mobilization_option:mobilization_option_aerial_recon
+				has_mobilization_option = mobilization_option:mobilization_option_ballon_recon
+			}
+		}
+	}
 
 	on_activate_while_mobilized = {
 		custom_tooltip = {