[FL-1542], [FL-1603] Generate random name (#602)

* Lib: add random name library
* Text_input: add default text clearing
* All: rework all applications with new text_input API
* Nfc: fix removing dev file on save_name scene enter
* Lib: move all free radicals to toolbox and update API usage.

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

lib/toolbox/path.c

@@ -0,0 +1,20 @@
+#include "path.h"
+
+void path_extract_filename_no_ext(const char* path, string_t filename) {
+    string_set(filename, path);
+
+    size_t start_position = string_search_rchar(filename, '/');
+    size_t end_position = string_search_rchar(filename, '.');
+
+    if(start_position == STRING_FAILURE) {
+        start_position = 0;
+    } else {
+        start_position += 1;
+    }
+
+    if(end_position == STRING_FAILURE) {
+        end_position = string_size(filename);
+    }
+
+    string_mid(filename, start_position, end_position - start_position);
+}