fix: change alert modal copy

[vinistevam]

Description

This PR aims to update the copy of the alert modal (title and description).

Related issues

Fixes: https://github.com/MetaMask/MetaMask-planning/issues/3731

Manual testing steps

You need to trigger a Danger alert (resimulation, domain mismatch or signing or Submitting)

1. Go to this the Test Dapp
2. Trigger a request
3. Acknowledge the Danger alert

Screenshots/Recordings

Before

After

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.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[metamaskbot]

Builds ready [1d07c23]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• 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
  • common: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 12, 13, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1610 ± 48 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1484	1883	1612	100	48
		domContentLoaded	1433	1834	1584	96	46
		load	1484	1880	1610	101	48
		domInteractive	22	69	38	17	8
		backgroundConnect	9	71	30	19	9
		firstReactRender	16	91	29	23	11
		getState	5	59	14	15	7
		initialActions	0	0	0	0	0
		loadScripts	1055	1391	1172	84	41
		setupStore	6	51	12	12	6
		uiStartup	1646	2120	1832	131	63

[jpuri]

Looks good