rework esubghz chat to use mbedtls

Author: xMasterX

non_catalog_apps/esubghz_chat/application.fam

@@ -9,6 +9,7 @@ App(
     ],
     stack_size=8 * 1024,
     fap_category="Sub-GHz",
+    fap_libs=["mbedtls"],
     fap_icon="assets/chat_10px.png",
     fap_icon_assets="assets",
     fap_icon_assets_symbol="esubghz_chat",