feat(surveys): custom and tab widget

[liyiy]

Changes

Adds third option for "widget" mode where user can use their own custom button or a prebuilt tab style

to go in with PostHog/posthog#19223

Checklist

• Tests for new code (see advice on the tests we use)
• Accounted for the impact of any changes across different browsers

[github-actions]

Size Change: +5.93 kB (+1%)

Total Size: 752 kB

Filename	Size	Change
dist/array.full.js	177 kB	+145 B (0%)
dist/array.js	118 kB	+145 B (0%)
dist/es.js	118 kB	+163 B (0%)
dist/module.js	118 kB	+164 B (0%)
dist/surveys.js	46.8 kB	+5.31 kB (+13%)	⚠️

ℹ️ View Unchanged

Filename	Size
dist/exception-autocapture.js	12 kB
dist/recorder-v2.js	104 kB
dist/recorder.js	58.4 kB

_{compressed-size-action}