cmake: Set process code page to UTF-8 on Windows

Additionally, this change adds app manifests to targets that were
previously missing them.

src/bitcoin.cpp

@@ -6,6 +6,7 @@
 
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/system.h>
 #include <util/fs.h>
 #include <util/exec.h>
 #include <util/strencodings.h>
@@ -61,6 +62,8 @@ static void ExecCommand(const std::vector<const char*>& args, std::string_view a
 
 int main(int argc, char* argv[])
 {
+    SetupEnvironment();
+
     try {
         CommandLine cmd{ParseCommandLine(argc, argv)};
         if (cmd.show_version) {