fix: fix ada holder voting power calculation

Author: MSzalowski

CHANGELOG.md

@@ -16,6 +16,7 @@ changes.
 
 ### Fixed
 
+- Fix ada holder voting power calculation
 - Fix listing voted-on governance actions [Issue 2379](https://github.com/IntersectMBO/govtool/issues/2379)
 - Fix wronly displayed markdown on slider card [Issue 2263](https://github.com/IntersectMBO/govtool/issues/2316)
 - fix ada quantities format to avoid thousands when the total is 0 [Issue 2372](https://github.com/IntersectMBO/govtool/issues/2382)

govtool/backend/sql/get-stake-key-voting-power.sql

@@ -1,11 +1,6 @@
-SELECT COALESCE(SUM(utxo_view.value::numeric), 0) + COALESCE(reward_sum.total_reward, 0) AS total_value,
+SELECT COALESCE(SUM(utxo_view.value::numeric), 0),
        encode(stake_address.hash_raw, 'hex')
 FROM stake_address
 JOIN utxo_view ON utxo_view.stake_address_id = stake_address.id
-LEFT JOIN (
-    SELECT addr_id, SUM(reward_rest.amount) AS total_reward
-    FROM reward_rest
-    GROUP BY addr_id
-) AS reward_sum ON reward_sum.addr_id = stake_address.id
 WHERE stake_address.hash_raw = decode(?, 'hex')
-GROUP BY stake_address.hash_raw, reward_sum.total_reward;
+GROUP BY stake_address.hash_raw;