Make multiples states changes in one tick (if relevant)

--HG--
branch : fix_speed

code/ryzom/server/src/entities_game_service/phrase_manager/phrase_manager.cpp

@@ -456,7 +456,14 @@ void CPhraseManager::updatePhrases()
 		}
 		
 		// update this phrase
+		CSPhrase::TPhraseState old_state;
+		do
+		{
+		    old_state = phrase->state();
             updateEntityCurrentAction( (*it).first, entityPhrases);
+            phrase = entityPhrases.getCurrentAction();
+            //Every time we get the next action, th phrase might be deleted (if the action is invalid or finished for non-cyclic actions like digging / crafting), always check !
+	    } while(phrase != NULL && old_state != phrase->state());
 		
 		// get next entity sentences
 		++it;