RUMS-6014: Fix missing text boxes with mask none

[jonathanmos]

What does this PR do?

Problem
On Android, any content placed inside SessionReplayView.MaskNone, SessionReplayView.MaskAll, or SessionReplayView.Hide was completely absent from Session Replay recordings. iOS captured the same content correctly under identical configuration.

Root cause
DdPrivacyView — the Android native backing view for all SessionReplayView variants — was registered with SvgViewMapper. That mapper was originally written to handle a separate use case: rendering inline SVGs via the Datadog babel plugin, where DdPrivacyView carries SVG binary data in its attributes map.

When DdPrivacyView is used as a privacy wrapper (no SVG attributes), two things went wrong:

SvgViewMapper.map() returned an empty wireframe list immediately, so the wrapper container itself never appeared in the recording.
SvgViewMapper did not implement TraverseAllChildrenMapper, so the Session Replay framework never descended into the wrapper's children regardless of what the mapper returned.

Fix
SvgViewMapper now implements TraverseAllChildrenMapper, which tells the SR framework to traverse the children of any DdPrivacyView it handles.
When DdPrivacyView has no hash attribute (privacy-wrapper mode), map() now returns a ShapeWireframe for the container instead of an empty list.
The type bound was tightened from T : View to T : ViewGroup, required by the TraverseAllChildrenMapper interface.
The SVG path also has a latent fix: ImageWireframe now uses viewIdentifierResolver.resolveChildUniqueIdentifier(view, "svg") for its ID instead of resolveViewId(subView). With TraverseAllChildrenMapper in place the framework independently traverses the SVG child view, which would produce a second wireframe with the same resolveViewId(subView) ID — overwriting the image in the recording.
Testing
Added SvgViewMapperTest covering the privacy-wrapper path, the SVG path, and the ID uniqueness invariant.
Manually verified on Android: MaskNone content is visible and unmasked, MaskAll content is visible and masked (text rendered as x's), Hide wrapper is absent from the recording.

Motivation

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Additional Notes

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Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)
• If this PR is auto-generated, please make sure also to manually update the code related to the change

[Copilot]

Pull request overview

This PR fixes an Android Session Replay mapping issue where DdPrivacyView (used by SessionReplayView.MaskNone/MaskAll/Hide) prevented the Session Replay framework from traversing and recording its child views, causing wrapped content to be missing from recordings.

Changes:

• Updated SvgViewMapper to implement TraverseAllChildrenMapper and tightened its generic bound to T : ViewGroup so the SR framework traverses DdPrivacyView children.
• Adjusted SvgViewMapper.map() to return a container ShapeWireframe when DdPrivacyView is used as a privacy wrapper (no SVG hash attribute), instead of returning an empty list.
• Ensured SVG ImageWireframe IDs don’t collide with independently-traversed child views by using resolveChildUniqueIdentifier(view, "svg"), and added unit tests covering these scenarios.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
packages/react-native-session-replay/android/src/main/kotlin/com/datadog/reactnative/sessionreplay/mappers/SvgViewMapper.kt	Enables child traversal for DdPrivacyView, maps privacy-wrapper containers as shapes, and avoids SVG wireframe ID collisions.
packages/react-native-session-replay/android/src/test/kotlin/com/datadog/reactnative/sessionreplay/mappers/SvgViewMapperTest.kt	Adds test coverage for privacy-wrapper behavior, SVG behavior, and the ID uniqueness invariant.

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