M*LIB: non-inlined strings, FuriString primitive (#1795)

* Quicksave 1
* Header stage complete
* Source stage complete
* Lint & merge fixes
* Includes
* Documentation step 1
* FBT: output free size considering BT STACK
* Documentation step 2
* py lint
* Fix music player plugin
* unit test stage 1: string allocator, mem, getters, setters, appends, compare, search.
* unit test: string equality
* unit test: string replace
* unit test: string start_with, end_with
* unit test: string trim
* unit test: utf-8
* Rename
* Revert fw_size changes
* Simplify CLI backspace handling
* Simplify CLI character insert
* Merge fixes
* Furi: correct filenaming and spelling
* Bt: remove furi string include

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

applications/services/storage/storage_glue.h

@@ -2,7 +2,6 @@
 
 #include <furi.h>
 #include "filesystem_api_internal.h"
-#include <m-string.h>
 #include <m-list.h>
 
 #ifdef __cplusplus
@@ -21,7 +20,7 @@ typedef struct {
     File* file;
     StorageType type;
     void* file_data;
-    string_t path;
+    FuriString* path;
 } StorageFile;
 
 typedef enum {
@@ -62,12 +61,16 @@ struct StorageData {
 };
 
 bool storage_has_file(const File* file, StorageData* storage_data);
-bool storage_path_already_open(string_t path, StorageFileList_t files);
+bool storage_path_already_open(FuriString* path, StorageFileList_t files);
 
 void storage_set_storage_file_data(const File* file, void* file_data, StorageData* storage);
 void* storage_get_storage_file_data(const File* file, StorageData* storage);
 
-void storage_push_storage_file(File* file, string_t path, StorageType type, StorageData* storage);
+void storage_push_storage_file(
+    File* file,
+    FuriString* path,
+    StorageType type,
+    StorageData* storage);
 bool storage_pop_storage_file(File* file, StorageData* storage);
 
 #ifdef __cplusplus