[CPU]Fix coverity check issues (#30429)

### Details:
 - *Fix coverity issues*


### Tickets:
 - *CVS-167178*

Author: mangguo321

src/frontends/paddle/src/internal/pass/transform_if.cpp

@@ -25,10 +25,13 @@ ov::frontend::paddle::pass::TransformIf::TransformIf(std::vector<std::shared_ptr
 
     matcher_pass_callback callback = [funcs](pattern::Matcher& m) -> bool {
         const auto conditional_block = ov::as_type_ptr<ov::op::internal::ConditionalBlock>(m.get_match_root());
+        if (!conditional_block) {
+            return false;
+        }
         const auto mask_idx = conditional_block->get_input_size() - 1;
         const auto cond = conditional_block->get_input_node_shared_ptr(mask_idx);
 
-        if (!conditional_block || !cond) {
+        if (!cond) {
             return false;
         }