Bug 1710742: Modify VO checkbox search key to work with quick nav r=eeejay

Differential Revision: https://phabricator.services.mozilla.com/D115430

accessible/mac/MOXSearchInfo.mm

@@ -364,7 +364,7 @@ using namespace mozilla::a11y;
       [matches addObjectsFromArray:[self getMatchesForRule:rule]];
     }
 
-    if ([key isEqualToString:@"AXCheckboxSearchKey"]) {
+    if ([key isEqualToString:@"AXCheckBoxSearchKey"]) {
       RotorRoleRule rule = mImmediateDescendantsOnly
                                ? RotorRoleRule(roles::CHECKBUTTON, geckoRootAcc)
                                : RotorRoleRule(roles::CHECKBUTTON);

accessible/tests/browser/mac/browser_rotor.js

@@ -1088,7 +1088,7 @@ addAccessibleTask(
   `,
   async (browser, accDoc) => {
     const searchPred = {
-      AXSearchKey: "AXCheckboxSearchKey",
+      AXSearchKey: "AXCheckBoxSearchKey",
       AXImmediateDescendantsOnly: 0,
       AXResultsLimit: -1,
       AXDirection: "AXDirectionNext",