Make mediation: "conditional" available (#1497)

Co-authored-by: saschanaz <saschanaz@users.noreply.github.com>

Author: 8ma10s

baselines/dom.generated.d.ts

@@ -18587,7 +18587,7 @@ type ColorGamut = "p3" | "rec2020" | "srgb";
 type ColorSpaceConversion = "default" | "none";
 type CompositeOperation = "accumulate" | "add" | "replace";
 type CompositeOperationOrAuto = "accumulate" | "add" | "auto" | "replace";
-type CredentialMediationRequirement = "optional" | "required" | "silent";
+type CredentialMediationRequirement = "conditional" | "optional" | "required" | "silent";
 type DOMParserSupportedType = "application/xhtml+xml" | "application/xml" | "image/svg+xml" | "text/html" | "text/xml";
 type DirectionSetting = "" | "lr" | "rl";
 type DisplayCaptureSurfaceType = "browser" | "monitor" | "window";

inputfiles/removedTypes.jsonc

@@ -16,9 +16,6 @@
             "ConnectionType": {
                 "value": ["wimax"]
             },
-            "CredentialMediationRequirement": {
-                "value": ["conditional"] // tied to Credential#isConditionalMediationAvailable
-            },
             "GamepadHapticActuatorType": {
                 "value": ["dual-rumble"] // Blink only as of 2022-12
             },