Add missing token account owner validations (#761)

Author: PabloMansanet

chains/solana/contracts/programs/ccip-common/src/context.rs

@@ -28,6 +28,7 @@ pub struct TokenAccountsValidationContext<'info> {
             mint.key().as_ref(),
         ],
         seeds::program = fee_quoter.key(),
+        owner = fee_quoter.key() @ CommonCcipError::InvalidInputsTokenAccounts,
         bump
     )]
     pub token_billing_config: UncheckedAccount<'info>,
@@ -40,6 +41,7 @@ pub struct TokenAccountsValidationContext<'info> {
             mint.key().as_ref(),
         ],
         seeds::program = pool_program.key(),
+        owner = pool_program.key() @ CommonCcipError::InvalidInputsPoolAccounts,
         bump
     )]
     pub pool_chain_config: UncheckedAccount<'info>,
@@ -99,6 +101,7 @@ pub struct TokenAccountsValidationContext<'info> {
             mint.key().as_ref()
         ],
         seeds::program = fee_quoter.key(),
+        owner = fee_quoter.key() @ CommonCcipError::InvalidInputsTokenAccounts,
         bump
     )]
     pub fee_token_config: UncheckedAccount<'info>,