update free filter node selection and deletion to better support ios. add enable toggles for free filter and ratio in tabs. on ios shutdown audio when going to background and not doing anything. some layout fixes

Source/PluginProcessor.h

@@ -216,7 +216,9 @@ public:
 	bool m_mute_while_capturing = false;
     bool m_mute_processed_while_capturing = false;
     bool m_use_backgroundbuffering = true;
-	void resetParameters();
+    bool m_restore_playstate = true;
+
+    void resetParameters();
     void setPreBufferAmount(int x);
 	int getPreBufferAmount();
 	bool m_load_file_with_state = true;