compress dict array values

Signed-off-by: Connor Tsui <connor.tsui20@gmail.com>

Author: connortsui20

vortex-btrblocks/src/compressor/integer/mod.rs

@@ -713,11 +713,16 @@ impl Scheme for DictScheme {
             ctx.descend(),
             Excludes::int_only(&new_excludes),
         )?;
+        let compressed_values = compressor.compress_canonical(
+            Canonical::Primitive(dict.values().to_primitive().narrow()?),
+            ctx.descend(),
+            Excludes::int_only(&new_excludes),
+        )?;
 
-        // SAFETY: compressing codes does not change their values
+        // SAFETY: Compressing the arrays does not change their logical values.
         unsafe {
             Ok(
-                DictArray::new_unchecked(compressed_codes, dict.values().clone())
+                DictArray::new_unchecked(compressed_codes, compressed_values)
                     .set_all_values_referenced(dict.has_all_values_referenced())
                     .into_array(),
             )