Merge branch 'refactor-and-bugfixing' of github.com:adm-metaex/mplx-s…

…taking into testing-branch

programs/voter-stake-registry/src/instructions/extend_stake.rs

@@ -77,6 +77,7 @@ pub fn extend_stake(
     target.lockup.end_ts = curr_ts
         .checked_add(new_lockup_period.to_secs())
         .ok_or(VsrError::InvalidTimestampArguments)?;
+    target.lockup.period = new_lockup_period;
 
     let reward_pool = &ctx.accounts.reward_pool;
     let mining = &ctx.accounts.deposit_mining;