fix: Correct underlying cause of T-Watch not functioning when set to a 16MB filesystem (#6563)

* Fix maximum flash size in T-Watch S3 board definition
* Revert "Fix: T-Watch-S3 has 8MB Flash (#6407)"
This reverts commit 769f0623be.

boards/t-watch-s3.json

@@ -24,16 +24,16 @@
     "mcu": "esp32s3",
     "variant": "t-watch-s3"
   },
-  "connectivity": ["wifi", "bluetooth"],
+  "connectivity": ["wifi", "bluetooth", "lora"],
   "debug": {
     "openocd_target": "esp32s3.cfg"
   },
   "frameworks": ["arduino"],
   "name": "LilyGo T-Watch 2020 V3",
   "upload": {
-    "flash_size": "8MB",
+    "flash_size": "16MB",
     "maximum_ram_size": 327680,
-    "maximum_size": 8388608,
+    "maximum_size": 16777216,
     "require_upload_port": true,
     "use_1200bps_touch": true,
     "wait_for_upload_port": true,