Fix adding channels

[RCGV1]

What changed?

We now create the initial value for index i var outside the for loop so multiple cchannels dont try to overwrite each other. Also we call channel packet function to update the UI with new channels.

Why did it change?

Before adding multiple cahnnels via QR would only add one and this would not be reflected in the UI.

How is this tested?

Tested sending multiple qr codes from android to iOS

Screenshots/Videos (when applicable)

Checklist

• My code adheres to the project's coding and style guidelines.
• I have conducted a self-review of my code.
• I have commented my code, particularly in complex areas.
• I have verified whether these changes require an update to existing documentation or if new documentation is needed, and created an issue in the docs repo if applicable.
• I have tested the change to ensure that it works as intended.

[Copilot]

Pull request overview

This PR fixes a bug where adding multiple channels via QR code would only add one channel and not reflect the changes in the UI. The fix involves initializing the channel index counter outside the for loop and calling the channelPacket function to update the UI for each added channel.

Key Changes

• Moved index variable initialization outside the for loop to prevent channels from overwriting each other
• Added channelPacket function call to update the UI with newly added channels

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