New UI Redesign in pyqt6 (#56)

* Initial commit for new UI

* Initial commit for new UI

* WIP

* Status bar updates and has an icon for online / offline

* Add log_viewer.py

* Use JSON for delete_engine_download API

* Fix class issue with Downloaders

* Move Config class to new ui

* Add engine_browser.py

* Add a close event handler to the main window

* Fix issue with engine manager not deleting engines properly

* Rearrange all the files

* Add icons and resources

* Cache system info in RenderServerProxy

* Toolbar polish

* Fix resource path in status bar

* Add config_dir to misc_helper.py

* Add try block to zeroconf setup

* Add add_job.py

* Add raw args to add_job.py

src/engines/core/base_downloader.py

@@ -31,7 +31,7 @@ class EngineDownloader:
         raise NotImplementedError  # implement this method in your engine subclass
 
     @classmethod
-    def __download_and_extract_app(cls, remote_url, download_location, timeout=120):
+    def download_and_extract_app(cls, remote_url, download_location, timeout=120):
 
         # Create a temp download directory
         temp_download_dir = tempfile.mkdtemp()
@@ -154,5 +154,7 @@ def copy_directory_contents(src_dir, dest_dir):
                     # Otherwise, copy the file
                     shutil.copy2(item_path, dest_item_path)
 
+    except PermissionError as ex:
+        logger.error(f"Permissions error: {ex}")
     except Exception as e:
         logger.exception(f"Error copying directory contents: {e}")