fix: ModelLoader::load_tensors duplicated check (leejet#623)

Introduced in 2b6ec97

chore: silence some warnings about precision loss (leejet#620)

fix: correct img2img time (leejet#616)

fix missing argument in prototype of stbi_write_jpg (leejet#613)

fix: suport sdxl embedddings (leejet#621)

fix: fix embeddings with quantized models (leejet#601)

fix: fix race condition causing inconsistent value for `decoder_only` (…

…leejet#609)

sync: update ggml

fix: preprocess tensor names in tensor types map (leejet#607)

Thank you for your contribution

fix: avoid potential dangling pointer problem