Minor improvements to the UX

1. Game will now be paused on movie finish
2. Added 'Save without Closing'

src/core/movie.h

@@ -125,6 +125,12 @@ public:
     u64 GetCurrentInputIndex() const;
     u64 GetTotalInputCount() const;
 
+    /**
+     * Saves the movie immediately, in its current state.
+     * This is called in Shutdown.
+     */
+    void SaveMovie();
+
 private:
     static Movie s_instance;
 
@@ -152,8 +158,6 @@ private:
     ValidationResult ValidateHeader(const CTMHeader& header) const;
     ValidationResult ValidateInput(const std::vector<u8>& input, u64 expected_count) const;
 
-    void SaveMovie();
-
     PlayMode play_mode;
 
     std::string record_movie_file;