fix(markdown): fix single-formatted headings & list items (#1820)

* fix(markdown): fix formatting & inline edge cases (show behavior before change)

Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>

* add change and updated test data

Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>

* update lock

Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>

* improve test case

Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>

---------

Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>

tests/data/groundtruth/docling_v2/tablecell.docx.json

@@ -1,6 +1,6 @@
 {
   "schema_name": "DoclingDocument",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "name": "tablecell",
   "origin": {
     "mimetype": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
@@ -78,7 +78,8 @@
         "bold": false,
         "italic": false,
         "underline": false,
-        "strikethrough": false
+        "strikethrough": false,
+        "script": "baseline"
       },
       "enumerated": false,
       "marker": "-"
@@ -98,7 +99,8 @@
         "bold": false,
         "italic": false,
         "underline": false,
-        "strikethrough": false
+        "strikethrough": false,
+        "script": "baseline"
       },
       "enumerated": false,
       "marker": "-"
@@ -130,7 +132,8 @@
         "bold": false,
         "italic": false,
         "underline": false,
-        "strikethrough": false
+        "strikethrough": false,
+        "script": "baseline"
       }
     },
     {
@@ -172,7 +175,8 @@
         "bold": false,
         "italic": false,
         "underline": false,
-        "strikethrough": false
+        "strikethrough": false,
+        "script": "baseline"
       }
     }
   ],
@@ -419,7 +423,8 @@
             }
           ]
         ]
-      }
+      },
+      "annotations": []
     }
   ],
   "key_value_items": [],