openvino

d814408d - [Transformations] MoE 3 Gemm pattern: Gelu activation support (#35618)

[Transformations] MoE 3 Gemm pattern: Gelu activation support (#35618) ### Details: - *This PR adds MoE 3 GeMM pattern with Gelu activation support via GatherMatmuls in CPU and GPU plugins* ### Tickets: - *CVS-185936* ### AI Assistance: - *AI assistance used: yes* - *AI was used for root-cause investigation (why an existing transformation doesn't work) and tests extending*