[Buff] Adjust damage_buff_t assert to be a debug print instead

* This was mostly for debugging purposes but due to mixed spell data now it may be hit more frequently

engine/buff/buff.cpp

@@ -3778,20 +3778,30 @@ damage_buff_t* damage_buff_t::parse_spell_data( const spell_data_t* spell, doubl
         if ( multiplier != 0.0 && direct_mod.multiplier == 1.0 && direct_mod.effect_idx == 0 )
           set_direct_mod( spell, idx, multiplier );
 
-        assert( direct_mod.multiplier == 1.0 + ( multiplier == 0.0 ? e.percent() : multiplier ) 
-                && "Additional label modifiers do not match the existing direct effect value" );
-
-        direct_mod.labels.push_back( e.misc_value2() );
+        if ( direct_mod.multiplier == 1.0 + ( multiplier == 0.0 ? e.percent() : multiplier ) )
+        {
+          direct_mod.labels.push_back( e.misc_value2() );
+        }
+        else
+        {
+          sim->print_debug( "{} ignoring label modifier of {} due to not matching existing direct effect value of {}",
+                            *this, ( multiplier == 0.0 ? e.percent() : multiplier ), direct_mod.multiplier );
+        }
       }
       else if ( e.property_type() == P_TICK_DAMAGE )
       {
         if ( multiplier != 0.0 && periodic_mod.multiplier == 1.0 && periodic_mod.effect_idx == 0 )
           set_periodic_mod( spell, idx, multiplier );
 
-        assert( periodic_mod.multiplier == 1.0 + ( multiplier == 0.0 ? e.percent() : multiplier )
-                && "Additional label modifiers do not match the existing periodic effect value" );
-
-        periodic_mod.labels.push_back( e.misc_value2() );
+        if ( periodic_mod.multiplier == 1.0 + ( multiplier == 0.0 ? e.percent() : multiplier ) )
+        {
+          periodic_mod.labels.push_back( e.misc_value2() );
+        }
+        else
+        {
+          sim->print_debug( "{} ignoring label modifier of {} due to not matching existing periodic effect value of {}",
+                            *this, ( multiplier == 0.0 ? e.percent() : multiplier ), periodic_mod.multiplier );
+        }
       }
     }
     else if ( e.subtype() == A_ADD_FLAT_LABEL_MODIFIER && e.property_type() == P_CRIT )