Clean up mem allocation alignment macro usage + small refactoring of the typehash dependencies search

src_features/signMessageEIP712/mem_utils.h

@@ -6,7 +6,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 
-#define MEM_ALLOC_AND_ALIGN_TO_TYPE(size, type) (mem_alloc_and_align(size, __alignof__(type)))
+#define MEM_ALLOC_AND_ALIGN_TYPE(type)  mem_alloc_and_align(sizeof(type), __alignof__(type))
 
 char *mem_alloc_and_copy_char(char c);
 void *mem_alloc_and_copy(const void *data, size_t size);