Option to preload extmainapps or not

applications/main/gpio/application.fam

@@ -2,6 +2,7 @@ App(
     appid="gpio",
     name="GPIO",
     apptype=FlipperAppType.EXTMAINAPP,
+    preload=True,
     entry_point="gpio_app",
     cdefines=["APP_GPIO"],
     requires=["gui"],

applications/main/ibutton/application.fam

@@ -2,6 +2,7 @@ App(
     appid="ibutton",
     name="iButton",
     apptype=FlipperAppType.EXTMAINAPP,
+    preload=True,
     targets=["f7"],
     entry_point="ibutton_app",
     cdefines=["APP_IBUTTON"],

applications/services/loader/loader.c

@@ -151,7 +151,7 @@ static Loader* loader_alloc() {
     if(furi_hal_is_normal_boot()) {
         Storage* storage = furi_record_open(RECORD_STORAGE);
         for(size_t i = 0; i < FLIPPER_APPS_COUNT; i++) {
-            if(FLIPPER_APPS[i].app != NULL) continue;
+            if(FLIPPER_APPS[i].app != NULL || FLIPPER_APPS[i].stack_size != 1) continue;
             if(storage_common_exists(storage, FLIPPER_APPS[i].appid)) {
                 void* preload = loader_preload(storage, FLIPPER_APPS[i].appid);
                 FLIPPER_APPS[i].preload = preload;

scripts/fbt/appmanifest.py

@@ -42,6 +42,7 @@ class FlipperApplication:
 
     appid: str
     apptype: FlipperAppType
+    preload: Optional[bool] = False
     name: Optional[str] = ""
     entry_point: Optional[str] = None
     flags: List[str] = field(default_factory=lambda: ["Default"])
@@ -373,7 +374,7 @@ class ApplicationsCGenerator:
     {{.app = NULL,
      .name = "{app.name}",
      .appid = "/ext/apps/.Main/{app.appid}.fap",
-     .stack_size = 0,
+     .stack_size = {1 if app.preload else 0},
      .icon = {f"&{app.icon}" if app.icon else "NULL"},
      .flags = {'|'.join(f"FlipperApplicationFlag{flag}" for flag in app.flags)}}}"""
         return f"""