Added an option to reset panel layout (SpartanJ/ecode#675).

Added options to "Reset Global File Associations" and "Reset Project File Associations" (renamed the command names too).

src/tools/ecode/plugins/plugincontextprovider.hpp

@@ -150,6 +150,8 @@ class PluginContextProvider {
 								   std::optional<std::string> pathFilters = {} ) = 0;
 
 	virtual const std::unordered_map<std::string, std::string>& getStatusBarKeybindings() const = 0;
+
+	virtual bool projectIsOpen() const = 0;
 };
 
 } // namespace ecode