stream: Change std::string overload for Write to use a std::string_view

Allows various string types to be used with the overload without
constructing a std::string (such as const char* etc).

src/stream.cpp

@@ -12,9 +12,9 @@ Stream::Stream(std::vector<u8>& bytes) : bytes(bytes) {}
 
 Stream::~Stream() = default;
 
-void Stream::Write(std::string string) {
+void Stream::Write(std::string_view string) {
     const auto size{string.size()};
-    const auto data{reinterpret_cast<u8*>(string.data())};
+    const auto data{reinterpret_cast<const u8*>(string.data())};
     for (std::size_t i = 0; i < size; i++) {
         Write(data[i]);
     }

src/stream.h

@@ -6,7 +6,7 @@
 
 #pragma once
 
-#include <string>
+#include <string_view>
 #include <vector>
 #include "common_types.h"
 
@@ -17,7 +17,7 @@ public:
     explicit Stream(std::vector<u8>& bytes);
     ~Stream();
 
-    void Write(std::string string);
+    void Write(std::string_view string);
 
     void Write(u64 value);