Use if instead of non-exhaustive when clause

Kotlin 1.7.0 requires when statements on enums to be exhaustive.
Switch from a when with a single clause to an if statement.

Bug: 216136346
Test: m CredentialManager
Change-Id: Ief5a38ba1af05f6cd882a1e035538a44ff2753d3

packages/CredentialManager/src/com/android/credentialmanager/createflow/CreatePasskeyComponents.kt

@@ -79,10 +79,8 @@ fun CreatePasskeyScreen(
     sheetShape = Shapes.medium,
   ) {}
   LaunchedEffect(state.currentValue) {
-    when (state.currentValue) {
-      ModalBottomSheetValue.Hidden -> {
-        cancelActivity()
-      }
+    if (state.currentValue == ModalBottomSheetValue.Hidden) {
+      cancelActivity()
     }
   }
 }

packages/CredentialManager/src/com/android/credentialmanager/getflow/GetCredentialComponents.kt

@@ -64,10 +64,8 @@ fun GetCredentialScreen(
     sheetShape = Shapes.medium,
   ) {}
   LaunchedEffect(state.currentValue) {
-    when (state.currentValue) {
-      ModalBottomSheetValue.Hidden -> {
-        cancelActivity()
-      }
+    if (state.currentValue == ModalBottomSheetValue.Hidden) {
+      cancelActivity()
     }
   }
 }