[FL-3953] Application chaining (#4105)

* feat: app chaining

* add `launch_current_app_after_deferred`, remove `get_referring_application`

* fix naming

* new api

* fix f18

* fix deferred launches after errors

* fix: memory leak

* Updater: MIN_GAP_PAGES = 0

* loader: loader_get_application_launch_path doc

* loader: fix freeze

* loader: reject mlib, reduce code size

* loader: generic synchronous call, reduce size

* loader: reject furi_string, reduce size

* apps: debug: removed order field from manifests since it is no longer meaningful

---------

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
Co-authored-by: hedger <hedger@nanode.su>

applications/services/loader/loader_queue.c

@@ -0,0 +1,32 @@
+#include "loader_queue.h"
+
+void loader_queue_item_clear(LoaderDeferredLaunchRecord* item) {
+    free(item->args);
+    free(item->name_or_path);
+}
+
+bool loader_queue_pop(LoaderLaunchQueue* queue, LoaderDeferredLaunchRecord* item) {
+    if(!queue->item_cnt) return false;
+
+    *item = queue->items[0];
+    queue->item_cnt--;
+    memmove(
+        &queue->items[0], &queue->items[1], queue->item_cnt * sizeof(LoaderDeferredLaunchRecord));
+
+    return true;
+}
+
+bool loader_queue_push(LoaderLaunchQueue* queue, LoaderDeferredLaunchRecord* item) {
+    if(queue->item_cnt == LOADER_QUEUE_MAX_SIZE) return false;
+
+    queue->items[queue->item_cnt] = *item;
+    queue->item_cnt++;
+
+    return true;
+}
+
+void loader_queue_clear(LoaderLaunchQueue* queue) {
+    for(size_t i = 0; i < queue->item_cnt; i++)
+        loader_queue_item_clear(&queue->items[i]);
+    queue->item_cnt = 0;
+}