[poppler-data] Apply patches in source, not in build step

recipes/poppler-data/all/conanfile.py

@@ -29,13 +29,13 @@ def layout(self):
     def source(self):
         get(self, **self.conan_data["sources"][self.version],
             destination=self.source_folder, strip_root=True)
+        apply_conandata_patches(self)
 
     def generate(self):
         tc = CMakeToolchain(self)
         tc.generate()
 
     def build(self):
-        apply_conandata_patches(self)
         cmake = CMake(self)
         cmake.configure()
         cmake.build()