Merge pull request #81755 from Expensify/claude-fixA11yCheckedState

Fix: forward aria-checked for screen readers on checkbox and radio
(cherry picked from commit d3321f1)

(cherry-picked to staging by Julesssss)

Author: marcochavezf

src/components/Checkbox.tsx

@@ -131,6 +131,9 @@ function Checkbox({
             style={[StyleUtils.getCheckboxPressableStyle(containerBorderRadius + 2), style]} // to align outline on focus, border-radius of pressable should be 2px more than Checkbox
             onKeyDown={handleSpaceOrEnterKey}
             role={CONST.ROLE.CHECKBOX}
+            accessibilityState={{
+                checked: isIndeterminate ? 'mixed' : isChecked,
+            }}
             /*  true  → checked
                 false → unchecked
                 mixed → indeterminate  */

src/components/Pressable/GenericPressable/implementation/BaseGenericPressable.tsx

@@ -200,6 +200,7 @@ function GenericPressable({
                 ...accessibilityState,
             }}
             aria-disabled={isDisabled}
+            aria-checked={accessibilityState?.checked}
             aria-selected={accessibilityState?.selected}
             aria-keyshortcuts={keyboardShortcut && `${keyboardShortcut.modifiers.join('')}+${keyboardShortcut.shortcutKey}`}
             // ios-only form of inputs