refactor(components): blankLayout引入GlobalContent

src/layouts/common/HeaderPlaceholder/index.vue

@@ -0,0 +1,21 @@
+<template>
+  <div v-if="theme.fixedHeaderAndTab" :style="{ height: headerAndMultiTabHeight }"></div>
+</template>
+
+<script setup lang="ts">
+import { useThemeStore } from '@/store';
+import { useLayoutConfig } from '@/composables';
+
+interface Props {
+  /** 去除tab的高度 */
+  removeTab?: boolean;
+}
+
+withDefaults(defineProps<Props>(), {
+  removeTab: false
+});
+
+const theme = useThemeStore();
+const { headerAndMultiTabHeight } = useLayoutConfig();
+</script>
+<style scoped></style>