faploader: more subsystem headers in API table (#1742)

* faploader: more subsystem headers in API table; not counting header entries for SDK version change
* subghz: removed dead function
* Adjusted API version
* hal: removed furi_hal_power_get_system_voltage
* lib: mbedtls: additional flags for .fap linkage
* fbt: rebuilding assets when git commit id changes
* fbt: removed assets rebuild on git commit id change; added explicit dependency for SDK source on compiled assets parts; removed unneeded sdk regeneration runs
* fbt: changed stock plugins to EXTERNAL apps; restored building app as a PLUGIN as a part of main fw as well as a .fap; readme fixes
* fbt: restored certain apps to PLUGIN type
* fbt: app manifests: renamed version->fap_version, added extra fields
* fbt: fixed version processing after rename

Co-authored-by: あく <alleteam@gmail.com>

site_scons/fbt/version.py

@@ -1,7 +1,9 @@
 import subprocess
 import datetime
+from functools import cache
 
 
+@cache
 def get_fast_git_version_id():
     try:
         version = (