feat: added encryption and decryption operations in inheritance app

[TejasvOnly]

PRF-7398

Test code (requires session to be started on device):

    const managerApp = await ManagerApp.create(connection);
    const { walletList } = await managerApp.getWallets();

    console.log({ walletList });
    const inheritanceApp = await InheritanceApp.create(connection);
    const encrypted = await inheritanceApp.encryptMessages({
        walletId: walletList[0].id,
        messages: [
            { value: 'value' },
            {
                value: 'lorem ipsum lorem ipsum lorem ipsum',
                isPrivate: true,
            },
        ],
    });
    
    console.log({ encrypted });

    const messages = await inheritanceApp.decryptMessages({
        encryptedData: encrypted.encryptedPacket,
    });

    console.log({ messages });

[changeset-bot]

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Latest commit: c5d6b2f

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