[FL-2415] Storage: blocking file open (#1078)

* Storage: correct replacement for "/any" path in path holder
* Unit tests: storage, blocking file open test
* File stream: error getter
* Storage: common copy and common remove now executes in external thread
* Filesystems: got rid of unused functions
* Storage: untangle dependencies, ram-frendly filesystem api
* iButton: context assertions
* Storage: pubsub messages
* Storage: wait for the file to close if it was open
* Storage: fix folder copying
* Storage: unit test
* Storage: pubsub documentation
* Fix merge error
* Fix memleak in storage test
* Storage: remove unused define

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

applications/storage/storage_sd_api.h

@@ -1,8 +1,6 @@
 #pragma once
 #include <furi.h>
 #include "filesystem_api_defines.h"
-#include <fatfs.h>
-#include "storage_glue.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -11,10 +9,11 @@ extern "C" {
 #define SD_LABEL_LENGTH 34
 
 typedef enum {
-    FST_FAT12 = FS_FAT12,
-    FST_FAT16 = FS_FAT16,
-    FST_FAT32 = FS_FAT32,
-    FST_EXFAT = FS_EXFAT,
+    FST_UNKNOWN,
+    FST_FAT12,
+    FST_FAT16,
+    FST_FAT32,
+    FST_EXFAT,
 } SDFsType;
 
 typedef struct {