feat: Support dark mode in login pages (#7420)

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

app/javascript/v3/components/SnackBar/Item.vue

@@ -0,0 +1,37 @@
+<template>
+  <div
+    class="bg-slate-900 dark:bg-slate-800 rounded-md drop-shadow-md mb-4 max-w-[40rem] inline-flex items-center min-w-[22rem] py-3 px-4"
+    :class="isActionPresent ? 'justify-between' : 'justify-center'"
+  >
+    <div class="text-sm font-medium text-white">
+      {{ message }}
+    </div>
+    <div v-if="isActionPresent" class="ml-4">
+      <router-link v-if="action.type == 'link'" :to="action.to" class="">
+        {{ action.message }}
+      </router-link>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    message: { type: String, default: '' },
+    action: {
+      type: Object,
+      default: () => ({}),
+    },
+    showButton: Boolean,
+    duration: {
+      type: [String, Number],
+      default: 3000,
+    },
+  },
+  computed: {
+    isActionPresent() {
+      return this.action && this.action.message;
+    },
+  },
+};
+</script>