debug apps: made runnable as .faps; sdk: resolved additional APIs in use by faps (#2333)

* sdk: resolve additional APIs in use by faps
* debug tools: fixed battery_test, bt_debug, display_test, rpc_debug

Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: あく <alleteam@gmail.com>

applications/debug/display_test/application.fam

@@ -5,6 +5,7 @@ App(
     entry_point="display_test_app",
     cdefines=["APP_DISPLAY_TEST"],
     requires=["gui"],
+    fap_libs=["misc"],
     stack_size=1 * 1024,
     order=120,
     fap_category="Debug",

applications/debug/display_test/display_test.c

@@ -91,7 +91,6 @@ static void display_test_reload_config(DisplayTest* instance) {
         instance->config_contrast,
         instance->config_regulation_ratio,
         instance->config_bias);
-    gui_update(instance->gui);
 }
 
 static void display_config_set_bias(VariableItem* item) {