refactor: add timezone support to wait_infinity, improve MQTT updates in config mode, and minor cleanup

Software/MainBoard/rust/src/hal/savegame_manager.rs

@@ -2,7 +2,7 @@ use alloc::vec::Vec;
 use bincode::{Decode, Encode};
 use embedded_savegame::storage::{Flash, Storage};
 use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
-use esp_bootloader_esp_idf::partitions::{Error as PartitionError, Error, FlashRegion};
+use esp_bootloader_esp_idf::partitions::{Error as PartitionError, FlashRegion};
 use log::{error, info};
 use serde::Serialize;
 
@@ -64,8 +64,8 @@ impl Flash for SavegameFlashAdapter<'_> {
             data.len()
         );
         let error = NorFlash::write(self.region, addr, data);
-        if error.is_err() {
-            error!("error {:?}", error.unwrap_err())
+        if let Err(err) = error {
+            error!("error {:?}", err);
         }
         error.map_err(SavegameFlashError)
     }