【代码优化】BPM：sliceName => subString 更通用

src/views/bpm/processInstance/create/index.vue

@@ -64,9 +64,9 @@
                           class="w-32px h-32px"
                         />
                         <div v-else class="flow-icon">
-                          <span style="font-size: 12px; color: #fff">{{
-                            sliceName(definition.name,0,2)
-                          }}</span>
+                          <span style="font-size: 12px; color: #fff">
+                            {{ subString(definition.name, 0, 2) }}
+                          </span>
                         </div>
                         <el-text class="!ml-10px" size="large">{{ definition.name }}</el-text>
                       </div>
@@ -97,7 +97,7 @@ import * as ProcessInstanceApi from '@/api/bpm/processInstance'
 import { CategoryApi, CategoryVO } from '@/api/bpm/category'
 import ProcessDefinitionDetail from './ProcessDefinitionDetail.vue'
 import { groupBy } from 'lodash-es'
-import { sliceName } from '@/utils/index'
+import { subString } from '@/utils/index'
 
 defineOptions({ name: 'BpmProcessInstanceCreate' })