Add support for preference search SLurl

[gwigz]

Parsing for preferences SLurl search query, and copy button. Clicking it with a search query will copy in i.e.

secondlife:///app/openfloater/preferences?search=lookat

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: baea5b67-8d0c-4aac-a842-bfe88d4dc0be

📥 Commits

Reviewing files that changed from the base of the PR and between 03a5af0 and 9e735bb.

📒 Files selected for processing (4)

• indra/newview/llfloaterpreference.cpp
• indra/newview/llfloaterpreference.h
• indra/newview/llviewerfloaterreg.cpp
• indra/newview/skins/default/xui/en/floater_preferences.xml

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📝 Walkthrough

Summary by CodeRabbit

• New Features
  • Users can now copy the current preferences search filter as a shareable Second Life URL (SLURL) using a new copy button in the preferences search panel
  • Preferences dialog now properly initializes and preserves search filters when opened with pre-filled search parameters, allowing users to save and share their customized filtered preference views

Walkthrough

The PR adds a "copy search as SLURL" feature to the preferences floater, enabling users to share filtered preference searches via shareable Second Life URLs. It also enhances floater initialization to accept search parameters from URLs and propagates query parameters through the floater open handler.

Changes

Search SLURL Copy and Filter Initialization

Layer / File(s)	Summary
Search copy implementation indra/newview/llfloaterpreference.h, indra/newview/llfloaterpreference.cpp	Declares and implements onCopySearch() method with llclipboard.h and lluri.h includes. Generates a secondlife:///app/openfloater/preferences?search=... URL, escapes the filter text, and copies the SLURL to clipboard.
Callback registration and UI integration indra/newview/llfloaterpreference.cpp, indra/newview/skins/default/xui/en/floater_preferences.xml	Registers the Pref.CopySearchAsSLURL commit callback in the constructor and adds the copy-search button to the preferences UI with tooltip and icon states. Adjusts search field layout (right offset to -28) to accommodate the new button.
URL parameter propagation and initialization indra/newview/llviewerfloaterreg.cpp, indra/newview/llfloaterpreference.cpp	Updates LLFloaterOpenHandler::handle() to seed the key LLSD with query_map contents, enabling search parameters to pass through floater open handlers. Updates onOpen() to initialize mFilterEdit from key["search"] and trigger filter refresh when present.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 A SLURL to copy with a click,
Search filters now stick and flip quick,
Parameters flow through the URL stream,
Preferences preserved—a reviewer's dream! ✨

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Description check	❓ Inconclusive	The PR description lacks key required sections including clear motivation, related issues link, testing verification, and completion of the provided checklist.	Complete the full PR template with Related Issues link, checklist confirmations, testing details, and style/documentation verification before merging.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Add support for preference search SLurl' clearly and concisely describes the main feature being added—SLURL support for preference searches.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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