fix: Fix Datepicker bind attr to panel error (#1277)

* fix: Fix Datepicker bind attr to panel error

* fix: Fix Datepicker bind attr to panel error

packages/time-picker/__tests__/time-picker.spec.ts

@@ -50,10 +50,11 @@ describe('TimePicker', () => {
     expect(outterInput.attributes().style).toBeDefined()
   })
 
-  it('set format && default value && set AM/PM spinner', async () => {
+  it('set format && default value && set AM/PM spinner && no $attr to panel', async () => {
     const wrapper = _mount(`<el-time-picker
         :format="format"
         v-model="value"
+        class="customClass"
       />`, () => ({ format: 'hh-mm:ss A',
       value: new Date(2016, 9, 10, 18, 40) }))
     await nextTick()
@@ -73,6 +74,8 @@ describe('TimePicker', () => {
     expect(times[0].textContent).toBe('06 PM')
     expect(times[1].textContent).toBe('40') // default value
     expect(times[2].textContent).toBe('00')
+    const panel = document.querySelector('.el-time-panel') as any
+    expect(panel.classList).not.toContain('customClass')
   })
 
   it('select time', async () => {

packages/time-picker/src/common/picker.vue

@@ -108,9 +108,9 @@
         :actual-visible="pickerActualVisible"
         :parsed-value="parsedValue"
         :format="format"
+        :unlink-panels="unlinkPanels"
         :type="type"
         :default-value="defaultValue"
-        v-bind="$attrs"
         @pick="onPick"
         @select-range="setSelectionRange"
         @set-picker-option="onSetPickerOption"

packages/time-picker/src/common/props.ts

@@ -95,4 +95,5 @@ export const defaultProps = {
     type: Boolean,
     default: true,
   },
+  unlinkPanels: Boolean,
 }