fix(autoware_pointcloud_preprocessor): fix passedByValue (#8242)

fix:passedByValue

Signed-off-by: kobayu858 <yutaro.kobayashi@tier4.jp>

Author: kobayu858

Diff for: sensing/autoware_pointcloud_preprocessor/src/downsample_filter/robin_hood.h

@@ -1932,7 +1932,7 @@ class Table
   }
 
   template <typename... Args>
-  iterator emplace_hint(const_iterator position, Args &&... args)
+  iterator emplace_hint(const const_iterator & position, Args &&... args)
   {
     (void)position;
     return emplace(std::forward<Args>(args)...).first;
@@ -1951,14 +1951,14 @@ class Table
   }
 
   template <typename... Args>
-  iterator try_emplace(const_iterator hint, const key_type & key, Args &&... args)
+  iterator try_emplace(const const_iterator & hint, const key_type & key, Args &&... args)
   {
     (void)hint;
     return try_emplace_impl(key, std::forward<Args>(args)...).first;
   }
 
   template <typename... Args>
-  iterator try_emplace(const_iterator hint, key_type && key, Args &&... args)
+  iterator try_emplace(const const_iterator & hint, key_type && key, Args &&... args)
   {
     (void)hint;
     return try_emplace_impl(std::move(key), std::forward<Args>(args)...).first;
@@ -1977,14 +1977,14 @@ class Table
   }
 
   template <typename Mapped>
-  iterator insert_or_assign(const_iterator hint, const key_type & key, Mapped && obj)
+  iterator insert_or_assign(const const_iterator & hint, const key_type & key, Mapped && obj)
   {
     (void)hint;
     return insertOrAssignImpl(key, std::forward<Mapped>(obj)).first;
   }
 
   template <typename Mapped>
-  iterator insert_or_assign(const_iterator hint, key_type && key, Mapped && obj)
+  iterator insert_or_assign(const const_iterator & hint, key_type && key, Mapped && obj)
   {
     (void)hint;
     return insertOrAssignImpl(std::move(key), std::forward<Mapped>(obj)).first;
@@ -1996,15 +1996,15 @@ class Table
     return emplace(keyval);
   }
 
-  iterator insert(const_iterator hint, const value_type & keyval)
+  iterator insert(const const_iterator & hint, const value_type & keyval)
   {
     (void)hint;
     return emplace(keyval).first;
   }
 
   std::pair<iterator, bool> insert(value_type && keyval) { return emplace(std::move(keyval)); }
 
-  iterator insert(const_iterator hint, value_type && keyval)
+  iterator insert(const const_iterator & hint, value_type && keyval)
   {
     (void)hint;
     return emplace(std::move(keyval)).first;