search: respect the stored platform on non platform pages

[a-hariti]

currently, search relies on the page pathname to prioritize sdks/platform search results

but when the user navigates to a non platform page while they have some platform previously selected on the sidebar,
search ignores that platform

this PR makes search respect that selection

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
changelog	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 3, 2025 5:05pm
develop-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 3, 2025 5:05pm
sentry-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 3, 2025 5:05pm

[codecov]

Bundle Report

Changes will increase total bundle size by 646 bytes (0.0%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	10.7MB	185 bytes (0.0%) ⬆️
sentry-docs-client-array-push	9.38MB	461 bytes (0.0%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: sentry-docs-server-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	1.63MB	-0.0%
../instrumentation.js	-3 bytes	965.23kB	-0.0%
9523.js	-3 bytes	941.45kB	-0.0%
../app/[[...path]]/page.js	28 bytes	525.19kB	0.01%
8899.js	166 bytes	28.83kB	0.58%

Files in ../app/[[...path]]/page.js:

• ./src/components/home.tsx → Total Size: 17.59kB

Files in 8899.js:

• ./app/not-found.tsx → Total Size: 2.59kB

• ./app/not-found.tsx → Total Size: 4.35kB

App Routes Affected:

App Route	Size Change	Total Size	Change (%)
/	166 bytes	2.62MB	0.01%
/[[...path]]	28 bytes	3.08MB	0.0%

view changes for bundle: sentry-docs-client-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
static/chunks/pages/_app-*.js	-3 bytes	866.04kB	-0.0%
static/chunks/9557-*.js	-3 bytes	391.11kB	-0.0%
static/chunks/4746-*.js	424 bytes	19.97kB	2.17%
server/middleware-*.js	5.55kB	6.55kB	555.3% ⚠️
server/middleware-*.js	-5.55kB	1.0kB	-84.74%
static/chunks/app/not-*.js	43 bytes	2.86kB	1.53%
static/6btt2NJGIAQKHdMbKamkA/_buildManifest.js (New)	578 bytes	578 bytes	100.0% 🚀
static/6btt2NJGIAQKHdMbKamkA/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/bsCW8bR63X1AJItMxEbM2/_buildManifest.js (Deleted)	-578 bytes	0 bytes	-100.0% 🗑️
static/bsCW8bR63X1AJItMxEbM2/_ssgManifest.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

Files in static/chunks/app/not-*.js:

• ./app/not-found.tsx → Total Size: 4.32kB

App Routes Affected:

App Route	Size Change	Total Size	Change (%)
/	43 bytes	12.82kB	0.34%

[chargome]

Could you update the description on what this PR does exactly?