fix(stability): disable dangerous mbedtls free configs, place panic handler in IRAM, and make prefetch safe and on-demand

sdkconfig

@@ -436,7 +436,7 @@ CONFIG_PARTITION_TABLE_MD5=y
 #
 CONFIG_MTG_WIFI_SSID="WiFimodem-FD58"
 CONFIG_MTG_WIFI_PASS="gzhrt5yzm3"
-CONFIG_MTG_SCAN_PREFETCH=y
+# CONFIG_MTG_SCAN_PREFETCH is not set
 CONFIG_MTG_GITEA_URL="https://gitea.com"
 CONFIG_MTG_GITEA_REPO_OWNER="user"
 CONFIG_MTG_GITEA_REPO_NAME="espMTG"
@@ -1156,7 +1156,7 @@ CONFIG_ESP_TASK_WDT_INIT=y
 CONFIG_ESP_TASK_WDT_TIMEOUT_S=15
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0=y
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1=y
-# CONFIG_ESP_PANIC_HANDLER_IRAM is not set
+CONFIG_ESP_PANIC_HANDLER_IRAM=y
 # CONFIG_ESP_DEBUG_STUBS_ENABLE is not set
 CONFIG_ESP_DEBUG_OCDAWARE=y
 # CONFIG_ESP_SYSTEM_CHECK_INT_LEVEL_5 is not set
@@ -1384,7 +1384,6 @@ CONFIG_FREERTOS_NO_AFFINITY=0xFFFFFFFF
 CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
 CONFIG_FREERTOS_DEBUG_OCDAWARE=y
 CONFIG_FREERTOS_ENABLE_TASK_SNAPSHOT=y
-CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
 CONFIG_FREERTOS_NUMBER_OF_CORES=2
 CONFIG_FREERTOS_IN_IRAM=y
 # end of FreeRTOS
@@ -1666,8 +1665,7 @@ CONFIG_MBEDTLS_ASYMMETRIC_CONTENT_LEN=y
 CONFIG_MBEDTLS_SSL_IN_CONTENT_LEN=16384
 CONFIG_MBEDTLS_SSL_OUT_CONTENT_LEN=4096
 CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
-CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
-CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+# CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA is not set
 # CONFIG_MBEDTLS_DEBUG is not set
 
 #