fix(spans): Allow zero exclusive time for INP spans

[edwardgou-sentry]

Allows exclusive time for spans to be 0, including inp spans.

[AbhiPrasad]

Let's add a test for this!

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser (incl. Tracing, Replay, Feedback) - Webpack (gzipped)	80.53 KB (+0.06% 🔺)
@sentry/browser (incl. Tracing, Replay) - Webpack (gzipped)	71.52 KB (+0.07% 🔺)
@sentry/browser (incl. Tracing, Replay with Canvas) - Webpack (gzipped)	75.54 KB (+0.07% 🔺)
@sentry/browser (incl. Tracing, Replay) - Webpack with treeshaking flags (gzipped)	65.15 KB (+0.07% 🔺)
@sentry/browser (incl. Tracing) - Webpack (gzipped)	35.45 KB (+0.13% 🔺)
@sentry/browser (incl. browserTracingIntegration) - Webpack (gzipped)	35.33 KB (+0.12% 🔺)
@sentry/browser (incl. Feedback) - Webpack (gzipped)	31.52 KB (0%)
@sentry/browser (incl. sendFeedback) - Webpack (gzipped)	31.53 KB (0%)
@sentry/browser - Webpack (gzipped)	22.74 KB (0%)
@sentry/browser (incl. Tracing, Replay, Feedback) - ES6 CDN Bundle (gzipped)	78.64 KB (+0.07% 🔺)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (gzipped)	70.01 KB (+0.06% 🔺)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (gzipped)	35.8 KB (+0.08% 🔺)
@sentry/browser - ES6 CDN Bundle (gzipped)	25.17 KB (0%)
@sentry/browser (incl. Tracing, Replay) - ES6 CDN Bundle (minified & uncompressed)	220.41 KB (+0.05% 🔺)
@sentry/browser (incl. Tracing) - ES6 CDN Bundle (minified & uncompressed)	108.22 KB (+0.1% 🔺)
@sentry/browser - ES6 CDN Bundle (minified & uncompressed)	75.48 KB (0%)
@sentry/browser (incl. Tracing) - ES5 CDN Bundle (gzipped)	39.02 KB (+0.08% 🔺)
@sentry/react (incl. Tracing, Replay) - Webpack (gzipped)	72.01 KB (+0.06% 🔺)
@sentry/react - Webpack (gzipped)	22.77 KB (+0.01% 🔺)
@sentry/nextjs Client (incl. Tracing, Replay) - Webpack (gzipped)	89.85 KB (+0.04% 🔺)
@sentry/nextjs Client - Webpack (gzipped)	53.98 KB (+0.06% 🔺)
@sentry-internal/feedback - Webpack (gzipped)	17.3 KB (0%)