This refines mainly aims to make the mmif-visualizer able to work for paddleOCR.
Solve the issue of failing to get id by using long_id
In add_timeframe method, solve the issue of failing to get start_anno, end_anno
In add_text_document method, solve the issue of failing to get the value property in TextDocument annotation
In get_ocr_frames method, solve the issue of failing to get frame.frame_num for Alignment annotation between timepoint and TextDocument.
All the issues above combined to cause the visualizer to fail to print OCR outcome text in Thumbnails-v_1.
This refines mainly aims to make the mmif-visualizer able to work for paddleOCR.