fix same kapp always overwriting in flash

src/krux/pages/tools.py

@@ -143,21 +143,20 @@ def sd_load_app(self):  # pylint: disable=R1710
         import os
         from krux.settings import FLASH_PATH
 
-        found_in_flash_vfs = False
         path_prefix = "/%s/" % FLASH_PATH
         for file in os.listdir(path_prefix):
             if file.endswith(MPY_FILE_EXTENSION):
-                # Check if file is the same from SD
+                # Only remove .mpy different from what was loaded from SD
                 if (
                     hashlib.sha256(open(path_prefix + file, "rb").read()).digest()
                     != data_hash
                 ):
                     os.remove(path_prefix + file)
 
-        # Copy kapp + sig from SD to flash VFS
+        # Copy kapp + sig from SD to flash VFS if not found
         # sig file allows the check and execution of the kapp at startup for opsec
         kapp_filename = "kapp"
-        if not found_in_flash_vfs:
+        if not any(kapp_filename in file for file in os.listdir(path_prefix)):
             with open(
                 path_prefix + kapp_filename + MPY_FILE_EXTENSION, "wb"
             ) as kapp_file: