flash_store: forgot to add offset when erasing before write

src/peripherals/storage/flash_store.rs

@@ -75,7 +75,10 @@ impl FlashStore {
             bytes.len()
         );
         let mut lock = self.storage.lock().await;
-        lock.erase(FLASH_ADDR + offset, FLASH_ADDR + bytes.len() as u32)?;
+        lock.erase(
+            FLASH_ADDR + offset,
+            FLASH_ADDR + offset + bytes.len() as u32,
+        )?;
         lock.write(FLASH_ADDR + offset, bytes)?;
         Ok(())
     }