fix(course): 限制分享按钮仅在课程状态非7时显示

添加了v-if判断条件，仅当item.state不等于7时展示分享按钮

src/components/pages/course.vue

@@ -298,7 +298,7 @@
 								</div>
     					</el-tooltip>
 
-							<el-tooltip effect="dark" :content="lang.Share" placement="top">
+							<el-tooltip effect="dark" :content="lang.Share" placement="top" v-if="item.state != 7">
     					  <div class="t_b_Item" @click="shareCourse(item.courseId)">
 									<img src="../../assets/icon/course/share.svg">
 								</div>