[gpu]:[istft]: Fixed issue with constant input shape.

Author: pkowalc1

src/plugins/intel_gpu/src/plugin/program_builder.cpp

@@ -10,9 +10,6 @@
 #include "openvino/op/lstm_cell.hpp"
 #include "openvino/op/lstm_sequence.hpp"
 #include "openvino/op/loop.hpp"
-#include "openvino/op/search_sorted.hpp"
-#include "openvino/op/stft.hpp"
-#include "openvino/op/istft.hpp"
 #include "ov_ops/dynamic_quantize.hpp"
 #include "openvino/runtime/properties.hpp"
 

src/plugins/intel_gpu/src/runtime/execution_config.cpp

@@ -11,6 +11,7 @@
 #include "openvino/op/paged_attention.hpp"
 #include "openvino/op/search_sorted.hpp"
 #include "openvino/op/stft.hpp"
+#include "openvino/op/istft.hpp"
 #include "ov_ops/dynamic_quantize.hpp"
 #include "ov_ops/rms.hpp"
 #include "openvino/runtime/internal_properties.hpp"
@@ -44,8 +45,8 @@ bool requires_new_shape_infer(const std::shared_ptr<ov::Node>& op) {
     // HACK: SearchSorted has specific shape requirements.
     // E.g. static input shapes: sorted:[8], values:[2,3,4] are prefectly fine,
     // but sorted:[8,1,1,1], values:[2,3,4,1] is not valid.
-    // Similar case for STFT.
-    if (ov::is_type<ov::op::v15::SearchSorted>(op) || ov::is_type<ov::op::v15::STFT>(op))
+    // Similar case for STFT and ISTFT
+    if (ov::is_type<ov::op::v15::SearchSorted>(op) || ov::is_type<ov::op::v15::STFT>(op) || ov::is_type<ov::op::v16::ISTFT>(op))
         return true;
 
     if (ov::is_type<ov::op::internal::DynamicQuantize>(op) || ov::is_type<ov::op::internal::RMS>(op))