Improve qwen vl impl (#2943)
* feat: refactor model, improve startup and re enable tests
* fix: improve multimodal rotary embed caching
* fix: limit vision flop calc to qwen2 vl models and update config typing
* fix: include clippy lint
* feat: refactor position ids in warmup and bump tests
* fix: prefer default dtype
* fix: enable all cuda graphs and bump snapshots
* fix: adjust rotaty init path
* fix: simplify get position ids and remove usused vision config
* fix: update position ids so first dim is batch, simplify rotary and bump vlm default token limit
* fix: improve position id init during cuda warmup for mrope and simplfy rotary forward
* fix: check existance before accessing rope type in cuda warmup
* fix: check key before access
* fix: improve mrope check in cuda graph warmup
* fix: remove check for default rope type
* fix: add more test and improve model generation
* fix: improve and simplify get_cos_sin, refactors and cleanup get_position_ids
* fix: adjust signatures with types
