feat: Enhance MailToTaskImporter with inline image support and update task content handling

.vscode/ftp-kr.sync.cache.json

@@ -151,9 +151,9 @@
       },
       "config.php": {
         "type": "-",
-        "size": 1249,
+        "size": 1230,
         "lmtime": 1770587027872,
-        "modified": false
+        "modified": true
       },
       "cron.php": {
         "type": "-",
@@ -204,9 +204,9 @@
           },
           "main_view.php": {
             "type": "-",
-            "size": 42341,
+            "size": 42781,
             "lmtime": 1770583657535,
-            "modified": false
+            "modified": true
           },
           "task_edit.php": {
             "type": "-",
@@ -216,8 +216,8 @@
           },
           "task_popup.php": {
             "type": "-",
-            "size": 11071,
-            "lmtime": 0,
+            "size": 12356,
+            "lmtime": 1770711646996,
             "modified": false
           },
           "task_single.php": {