Allow exception list to apply multiple time on same UA

dist/preview release/babylon.max.js

@@ -10593,7 +10593,6 @@ var BABYLON;
                                         break;
                                 }
                             }
-                            break;
                         }
                     }
                 }

dist/preview release/es6.js

@@ -10566,7 +10566,6 @@ var BABYLON;
                                         break;
                                 }
                             }
-                            break;
                         }
                     }
                 }

src/Engine/babylon.engine.ts

@@ -952,7 +952,6 @@
                                         break;
                                 }
                             }
-                            break;
                         }
                     }
                 }