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>

assets/SConscript

@@ -1,13 +1,5 @@
 Import("env")
 
-# HACHHACK
-# Currently injected to CPPPATH by libs - since they are built earlier and depend on assets
-# env.Append(
-#     CPPPATH=[
-#         Dir("./compiled"),
-#     ]
-# )
-
 assetsenv = env.Clone(
     tools=["fbt_assets"],
     FW_LIB_NAME="assets",
@@ -109,6 +101,7 @@ if assetsenv["IS_BASE_FIRMWARE"]:
     )
 
     # Exporting resources node to external environment
+    env["FW_ASSETS_HEADERS"] = assets_parts
     env["FW_RESOURCES"] = resources
     assetsenv.Alias("resources", resources)