Fix lr-scaling store_true & default=True cli argument for textual_inversion training. (#1090)

Fix default lr-scaling cli argument

examples/textual_inversion/textual_inversion.py

@@ -164,7 +164,7 @@ def parse_args():
     parser.add_argument(
         "--scale_lr",
         action="store_true",
-        default=True,
+        default=False,
         help="Scale the learning rate by the number of GPUs, gradient accumulation steps, and batch size.",
     )
     parser.add_argument(