[common, fs] Use std::string_view instead of std::string&; inline functions that are used rarely (#330)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Co-authored-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/330
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/common/heap_tracker.cpp

@@ -4,10 +4,9 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <fstream>
-#include <vector>
-
 #include "common/heap_tracker.h"
 #include "common/logging/log.h"
+#include "common/assert.h"
 
 namespace Common {