Hcpdiff

+ Fix file extension bug in CaptionLoader
+ Fix WrapablePlugin
+ Support cache RatioBucket
+ Multi-threaded bucket building
+ Add TagErase for caption porcess
+ [Add workflow features.](https://github.com/users/IrisRainbowNeko/projects/2/views/1#)
+ Fix controlnet conversion
+ Support plugin with partial trainable parameters
+ [Refactoring lora to improve training speed](https://github.com/users/IrisRainbowNeko/projects/2/views/1#)
+ support encoder_attention_mask and position ids
+ Add SoftMinSNRLoss
+ Fix model EMA

+ Separate data_source into a separate class that can be modified in the configuration file. The kohya datasource format can be supported.
+ Fix bugs in preview images
+ Fix bugs in warp_models
+ Rename `tag_transforms` into `text_transforms`

1. Create embedding with embedded random vectors.
2. Add PatchPluginBlock.
3. Fix deepspeed training
4. Add detection of custom words conflicts with one in the tokenizer.

+ Add ZeroTerminalScheduler
+ Add preview during training
+ SDXL lora and embedding convert
+ Bug fix

* Fully custom "exp_dir" support.
* "cfg resolvers" for config file.
* add LongEdgeBucket
* SDXL support
* lora convert fix