feat(rctuikit): Add RCTUITableView for RedboxV1 and RedboxV2 (#3056)

## Summary

Adds two narrow RCTUIKit compatibility primitives and adopts them in
RedBox, which collapses most of RedBox's platform forking.

- `RCTUITableView` / `RCTUITableViewCell` — `@compatibility_alias` to
`UITableView`/`UITableViewCell` on iOS and visionOS; on macOS an
`NSScrollView` subclass wrapping a private `NSTableView`, with narrow
data-source/delegate protocols and an exact `NSIndexPath` row/section
bridge, plus a one-case `RCTUITableViewStyle` and a forwarding
`-initWithFrame:style:` so the iOS initializer shape is shared.
- `RCTUILabel` — implements the `text` getter and the
`numberOfLines`/`textAlignment` pairs that were already declared in the
header but never backed.

RedBox goes from 1124 to 1007 lines. `TARGET_OS_OSX` conditional blocks
fall from 30 to 25. Platform-forked lines fall from 431 to 244
(macOS-only 243 → 133, iOS-only 188 → 111); this revision deliberately
gives a few of those back to restore upstream's exact iOS bytes in the
table setup and the two `reuseCell:` methods.

The upstream iOS button code is left untouched. `RCTRedBox.mm`'s
`UIButton (RCTRedBox)` category and its `redBoxButton:` factory are
byte-identical to upstream `a034841`; the macOS variants are added only
inside `TARGET_OS_OSX` guards. Against upstream, the button region has
zero removed lines.

## macOS design notes

- The macOS table flattens sections and headers into a single backing
row list, and uses `NSTableViewStyleInset` explicitly.
- Row heights use AppKit's native `usesAutomaticRowHeights`. Fixed
heights come from an explicit height constraint on the cell;
`tableView:heightOfRow:` supplies the estimate. Automatic heights come
from AutoLayout, with `preferredMaxLayoutWidth` maintained as the cell
resizes so text reflows on window resize.
- Header views are created lazily, cached per reload generation, and
pointer-stable within a generation. Sections with zero header height get
no slot at all.
- Cells go through real `makeViewWithIdentifier:` reuse, so
`prepareForReuse` is driven by AppKit rather than called manually.

## RedBox behavior changes

Visuals are intended to be unchanged. The macOS RedBox keeps its 16pt
inset and 8pt continuous-radius message card, and the buttons keep their
existing borderless momentary-push appearance, attributed titles, and
key equivalents (⎋ / ⌘R / ⌥⌘C).

Bugs fixed along the way, all of which were coupled to the migration:
- Stack rows are now recycled instead of a new cell being built for
every row.
- Reused rows have their line limits and identifiers reset
unconditionally, instead of leaking a 3-line limit onto later rows.
- The message cell's accessibility identifier was `"red box-error"` and
is now `redbox-error`, matching iOS.
- A nil error message is now mapped through the section count rather
than shifting every stack row by one.
- `redBoxButton:` set its accessibility identifier to the literal string
`@"accessibilityIdentifier"` instead of the parameter.
- The macOS message text is selectable again.

## Validation status — draft; a reported visual regression has been
addressed but not re-verified

A macOS capture of the previous revision showed the RedBox message card
losing its rounded
corners and its text insets, and stack frame rows clipped at the top.
This revision addresses
all three:

- The red background and the 8pt continuous corner radius are applied to
the cell's own layer
again, matching the code this PR replaces. No competing background is
drawn over the corners.
- Subtitle-style cells now carry a 5pt top inset and a 5pt bottom inset,
which the previous
  revision had dropped to zero.
- `RCTUITableViewCell` sets `rowSizeStyle =
NSTableViewRowSizeStyleCustom`, so NSTableCellView
  does not apply its own standard metrics to the `textField` outlet.
- Header views now reuse a single identified height constraint instead
of gaining a new one on
  every reload.

These fixes have NOT been visually re-verified.
Do not merge until all of the following pass:

- [ ] RNTester macOS native project build (`pod install` + `xcodebuild`)
- [ ] RNTester iOS native project build
- [ ] visionOS build
- [ ] Capture the RedBox sheet on `main` and on this branch at an
identical window size and
compare corner radius, text insets, glyph tops, 16pt row inset, and the
footer

Known risk: `NSTableView` assigns its `effectiveRowSizeStyle` onto each
cell view, so the
cell-side `rowSizeStyle` may need to be set on the table as well. This
must be validated in the
macOS build and GUI pass.

## Known follow-ups

- The RedBox message-height estimate measures against the scroll view's
content width minus 30, which does not account for the inset style's row
padding. Worth confirming during the GUI pass that long messages are not
clipped.
- `RCTUITableViewAutomaticDimension` and the header APIs have no
consumer in this PR.

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
(cherry picked from commit efb2eb5)

Author: Saadnajmi