演练/培训任务跟踪操作栏 字体大小统一

src/views/core/drill/task/index.vue

@@ -265,7 +265,9 @@
                 >删除
                 </el-button>
                 <el-button
+                  size="mini"
                   type="text"
+                  icon="el-icon-document"
                   v-if="scope.row.pdfUrl"
                   @click="onDown(scope.row.pdfUrl)"
                 >演练登记簿

src/views/core/edu/task/index.vue

@@ -257,8 +257,9 @@
                   >删除
                 </el-button>
                 <el-button
-                  icon="el-icon-document-copy"
+                  icon="el-icon-document"
                   type="text"
+                  size="mini"
                   v-if="scope.row.pdfUrl"
                   @click="onDown(scope.row.pdfUrl)"
                   >培训登记簿