Reopen last opened tab in current session

Will reset to General tab on startup / scene collection change

src/headers/advanced-scene-switcher.hpp

@@ -78,6 +78,7 @@ public:
 	void setupNetworkTab();
 	void setupMacroTab();
 	void setTabOrder();
+	void setCurrentTab();
 	void restoreWindowGeo();
 	void checkFirstTimeSetup();
 

src/headers/switcher-data-structs.hpp

@@ -77,6 +77,7 @@ struct SwitcherData {
 	SwitcherThread *th = nullptr;
 
 	bool settingsWindowOpened = false;
+	int lastOpenedTab = -1;
 	bool firstBoot = true;
 
 	std::condition_variable cv;