[PM-31613] Add send email verification feature flag (#6470)

core/src/main/kotlin/com/bitwarden/core/data/manager/model/FlagKey.kt

@@ -37,6 +37,7 @@ sealed class FlagKey<out T : Any> {
                 NoLogoutOnKdfChange,
                 MigrateMyVaultToMyItems,
                 ArchiveItems,
+                SendEmailVerification,
             )
         }
     }
@@ -107,6 +108,14 @@ sealed class FlagKey<out T : Any> {
         override val defaultValue: Boolean = false
     }
 
+    /**
+     * Data object holding the feature flag key for the Send Email Verification feature.
+     */
+    data object SendEmailVerification : FlagKey<Boolean>() {
+        override val keyName: String = "pm-19051-send-email-verification"
+        override val defaultValue: Boolean = false
+    }
+
     //region Dummy keys for testing
     /**
      * Data object holding the key for a [Boolean] flag to be used in tests.

core/src/test/kotlin/com/bitwarden/core/data/manager/model/FlagKeyTest.kt

@@ -36,6 +36,10 @@ class FlagKeyTest {
             FlagKey.ArchiveItems.keyName,
             "pm-19148-innovation-archive",
         )
+        assertEquals(
+            FlagKey.SendEmailVerification.keyName,
+            "pm-19051-send-email-verification",
+        )
     }
 
     @Test
@@ -49,6 +53,7 @@ class FlagKeyTest {
                 FlagKey.ForceUpdateKdfSettings,
                 FlagKey.MigrateMyVaultToMyItems,
                 FlagKey.ArchiveItems,
+                FlagKey.SendEmailVerification,
             ).all {
                 !it.defaultValue
             },