[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/random_name.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Generates random name
+ * @param name buffer to write random name
+ * @param max_name_size length of given buffer
+ */
+void set_random_name(char* name, uint8_t max_name_size);
+
+#ifdef __cplusplus
+}
+#endif