IPAdapters support for Tgate

[algoDd]

This PR adopts IPAdapterAttnProcessor2_0 instead of AttnProcessor2_0 in tgate_utils.py to support IP Adapters.

How to run:

python main.py \
--prompt 'Astronaut in a jungle, cold color palette, muted colors, detailed, 8k' \
--model 'sdxl' \
--gate_step 10 \
--sp_interval 5 \
--fi_interval 1 \
--warm_up 2 \
--saved_path './generated_tmp/sd_xl/' \
--inference_step 25 \

Following the Issues:
#19