card_image: Add program title ID getter

src/core/file_sys/card_image.cpp

@@ -115,6 +115,10 @@ VirtualDir XCI::GetLogoPartition() const {
     return GetPartition(XCIPartition::Logo);
 }
 
+u64 XCI::GetProgramTitleID() const {
+    return secure_partition->GetProgramTitleID();
+}
+
 std::shared_ptr<NCA> XCI::GetProgramNCA() const {
     return program;
 }

src/core/file_sys/card_image.h

@@ -79,6 +79,8 @@ public:
     VirtualDir GetUpdatePartition() const;
     VirtualDir GetLogoPartition() const;
 
+    u64 GetProgramTitleID() const;
+
     std::shared_ptr<NCA> GetProgramNCA() const;
     VirtualFile GetProgramNCAFile() const;
     const std::vector<std::shared_ptr<NCA>>& GetNCAs() const;