when we have to reestablish an outbound session use a much much higher timeout for restablishment

so it doesn't time out and get into a state that's totally screwed.

add virtual function service::Endpont::DefaultPathAlignmentTimeout() to get the timeout for path alignment
and use it for resetablishing outbound sessions

llarp/handlers/tun.hpp

@@ -135,6 +135,12 @@ namespace llarp
         return m_OwnedRanges;
       }
 
+      llarp_time_t
+      DefaultPathAlignmentTimeout() const override
+      {
+        return m_PathAlignmentTimeout;
+      }
+
       /// ip packet against any exit policies we have
       /// returns false if this traffic is disallowed by any of those policies
       /// returns true otherwise

llarp/service/endpoint.cpp

@@ -1850,7 +1850,7 @@ namespace llarp
               }
               self->m_state->m_PendingTraffic.erase(addr);
             },
-            1500ms);
+            DefaultPathAlignmentTimeout());
         return true;
       }
       LogDebug("SendOrQueue failed: no inbound/outbound sessions");

llarp/service/endpoint.hpp

@@ -306,6 +306,12 @@ namespace llarp
       bool
       ShouldBuildMore(llarp_time_t now) const override;
 
+      virtual llarp_time_t
+      DefaultPathAlignmentTimeout() const
+      {
+        return 10s;
+      }
+
       bool
       EnsurePathTo(
           std::variant<Address, RouterID> addr,