add fast path for full columns in fetch_block (#2328)

Spotted in `range_date_histogram` query in quickwit benchmark:
5% of time copying docs around, which is not needed in the full index case

remove Column to ColumnIndex deref

src/aggregation/bucket/histogram/histogram.rs

@@ -310,7 +310,10 @@ impl SegmentAggregationCollector for SegmentHistogramCollector {
             .column_block_accessor
             .fetch_block(docs, &bucket_agg_accessor.accessor);
 
-        for (doc, val) in bucket_agg_accessor.column_block_accessor.iter_docid_vals() {
+        for (doc, val) in bucket_agg_accessor
+            .column_block_accessor
+            .iter_docid_vals(docs, &bucket_agg_accessor.accessor)
+        {
             let val = self.f64_from_fastfield_u64(val);
 
             let bucket_pos = get_bucket_pos(val);

src/aggregation/bucket/range.rs

@@ -236,7 +236,10 @@ impl SegmentAggregationCollector for SegmentRangeCollector {
             .column_block_accessor
             .fetch_block(docs, &bucket_agg_accessor.accessor);
 
-        for (doc, val) in bucket_agg_accessor.column_block_accessor.iter_docid_vals() {
+        for (doc, val) in bucket_agg_accessor
+            .column_block_accessor
+            .iter_docid_vals(docs, &bucket_agg_accessor.accessor)
+        {
             let bucket_pos = self.get_bucket_pos(val);
 
             let bucket = &mut self.buckets[bucket_pos];

src/aggregation/bucket/term_agg.rs

@@ -306,7 +306,10 @@ impl SegmentAggregationCollector for SegmentTermCollector {
         }
         // has subagg
         if let Some(blueprint) = self.blueprint.as_ref() {
-            for (doc, term_id) in bucket_agg_accessor.column_block_accessor.iter_docid_vals() {
+            for (doc, term_id) in bucket_agg_accessor
+                .column_block_accessor
+                .iter_docid_vals(docs, &bucket_agg_accessor.accessor)
+            {
                 let sub_aggregations = self
                     .term_buckets
                     .sub_aggs