Fixed the number of similar images/videos per group in saved results. (#1017)

czkawka_core/src/similar_images.rs

@@ -997,7 +997,7 @@ impl SaveResults for SimilarImages {
             write!(writer, "{} images which have similar friends\n\n", self.similar_vectors.len()).unwrap();
 
             for struct_similar in &self.similar_vectors {
-                writeln!(writer, "Found {} images which have similar friends", self.similar_vectors.len()).unwrap();
+                writeln!(writer, "Found {} images which have similar friends", struct_similar.len()).unwrap();
                 for file_entry in struct_similar {
                     writeln!(
                         writer,

czkawka_core/src/similar_videos.rs

@@ -586,7 +586,7 @@ impl SaveResults for SimilarVideos {
             write!(writer, "{} videos which have similar friends\n\n", self.similar_vectors.len()).unwrap();
 
             for struct_similar in &self.similar_vectors {
-                writeln!(writer, "Found {} videos which have similar friends", self.similar_vectors.len()).unwrap();
+                writeln!(writer, "Found {} videos which have similar friends", struct_similar.len()).unwrap();
                 for file_entry in struct_similar {
                     writeln!(writer, "{} - {}", file_entry.path.display(), format_size(file_entry.size, BINARY)).unwrap();
                 }