fix lstrip on mask token

special_tokens_map.json

@@ -22,9 +22,9 @@
   },
   "mask_token": {
     "content": "<mask>",
-    "lstrip": false,
+    "lstrip": true,
     "normalized": true,
-    "rstrip": true,
+    "rstrip": false,
     "single_word": false
   },
   "pad_token": {

tokenizer.json

@@ -86,8 +86,8 @@
       "id": 65003,
       "content": "<mask>",
       "single_word": false,
-      "lstrip": false,
-      "rstrip": true,
+      "lstrip": true,
+      "rstrip": false,
       "normalized": true,
       "special": true
     }

tokenizer_config.json

@@ -67,9 +67,9 @@
     },
     "65003": {
       "content": "<mask>",
-      "lstrip": false,
+      "lstrip": true,
       "normalized": true,
-      "rstrip": true,
+      "rstrip": false,
       "single_word": false,
       "special": true
     }