fix: Add events for export pk

[usame-algan]

What it solves

Part of #2452

How this PR fixes it

• Adds new events for the export pk flow
• Reveal private key when the user presses the button
• Export private key successful when the user successfully types in the password
• Export private key error if the password was wrong or the validation failed for another reason
• Toggle see private key when the user toggles to see their private key
• Copy private key when the user copies their pk

How to test it

1. Open Safe
2. Login with social
3. Create a password
4. Go through the export pk flow and observe the above mentioned events

Checklist

• I've tested the branch on mobile 📱
• I've documented how it affects the analytics (if at all) 📊
• I've written a unit/e2e test for it (if applicable) 🧑‍💻

[github-actions]

Branch preview

✅ Deploy successful!

https://seedless_events--walletweb.review-wallet-web.5afe.dev

[github-actions]

ESLint Summary View Full Report

Annotations are provided inline on the Files Changed tab. You can also see all annotations that were generated on the annotations page.

Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	0	N/A

• Result: ✅ success
• Annotations: 0 total

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^{Report generated by eslint-plus-action}

[schmanu]

LGTM!

[usame-algan]

This was causing some MUI errors in the console

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	75.07% (-0.02% 🔻)	10058/13398
🔴	Branches	49.64% (-0.02% 🔻)	2052/4134
🔴	Functions	57.59% (-0.04% 🔻)	1495/2596
🟡	Lines	76.62% (-0.02% 🔻)	9098/11874

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / abTesting.ts	75% (-25% 🔻)	100%	66.67% (-33.33% 🔻)	83.33% (-16.67% 🔻)
🟢	... / useAbTesting.ts	93.75% (-6.25% 🔻)	75% (-25% 🔻)	100%	92.86% (-7.14% 🔻)

Test suite run success

1102 tests passing in 154 suites.

Report generated by 🧪jest coverage report action from 9c42dde