feat: 消息都可以复制

src/views/home/agent/components/Item.vue

@@ -22,7 +22,7 @@
 				<div class="message-txt markdown-body">
 					<div v-html="formatMessage"></div>
 				</div>
-				<div class="operate flex" v-show="isLast" :class="{ 'is-user': content.isUser }">
+				<div class="operate flex" :class="{ 'is-user': content.isUser }">
 					<template v-if="content.isUser">
 						<SvgIcon name="copy" size="16" color="#000" @click.stop="handleCopyText" />
 					</template>
@@ -30,6 +30,7 @@
 						<SvgIcon
 							v-for="operate in operateList"
 							:key="operate.name"
+							v-show="isLast"
 							:name="operate.name"
 							:size="operate.name === 'refreshTransparent' ? '14' : '16'"
 							color="#000000A6"