cherry-pick c9d7dd1 (#30614) in v12.14.0

[gantunesr]

Description

Fix Caip <> Hex conversion error for network switching event

Related issues

Fixes: https://github.com/MetaMask/accounts-planning/issues/858

Manual testing steps

1. Switch from Solana to Ethereum or other EVM network
2. See the error in the logs

Screenshots/Recordings

Before

After

The error should not be logged

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding
  Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[metamaskbot]

Builds ready [dc57b8f]

• builds: chrome, firefox
• builds (flask): chrome, firefox
• builds (MMI): chrome
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7, 8
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
  • content-script: 0
  • offscreen: 0

Page Load Metrics (1618 ± 70 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1429	2070	1621	149	71
		domContentLoaded	1384	2054	1586	149	72
		load	1422	2076	1618	146	70
		domInteractive	15	83	30	16	8
		backgroundConnect	11	80	34	20	9
		firstReactRender	14	69	31	22	10
		getState	5	51	15	14	7
		initialActions	0	0	0	0	0
		loadScripts	1011	1543	1173	128	61
		setupStore	7	58	14	13	6
		uiStartup	1612	2384	1822	177	85