fix: input textarea cursor pos error

Author: tangjinzhou

components/input/Input.tsx

@@ -37,7 +37,6 @@ export function resolveOnChange(
     return;
   }
   const event: any = e;
-  const originalInputValue = target.value;
 
   if (e.type === 'click') {
     Object.defineProperty(event, 'target', {
@@ -48,13 +47,13 @@ export function resolveOnChange(
     });
     // click clear icon
     //event = Object.create(e);
-    event.target = target;
-    event.currentTarget = target;
+    const currentTarget = target.cloneNode(true);
+
+    event.target = currentTarget;
+    event.currentTarget = currentTarget;
     // change target ref value cause e.target.value should be '' when clear input
-    target.value = '';
+    (currentTarget as any).value = '';
     onChange(event);
-    // reset target ref value
-    target.value = originalInputValue;
     return;
   }
   // Trigger by composition event, this means we need force change the input value
@@ -227,7 +226,11 @@ export default defineComponent({
       if (props.value === undefined) {
         stateValue.value = value;
       } else {
-        instance.update();
+        nextTick(() => {
+          if (inputRef.value.value !== stateValue.value) {
+            instance.update();
+          }
+        });
       }
       nextTick(() => {
         callback && callback();

components/input/TextArea.tsx

@@ -31,6 +31,7 @@ export default defineComponent({
     const formItemContext = useInjectFormItemContext();
     const stateValue = ref(props.value === undefined ? props.defaultValue : props.value);
     const resizableTextArea = ref();
+    const mergedValue = ref('');
     const { prefixCls, size, direction } = useConfigInject('input', props);
     const showCount = computed(() => {
       return (props.showCount as any) === '' || props.showCount || false;
@@ -63,7 +64,11 @@ export default defineComponent({
       if (props.value === undefined) {
         stateValue.value = value;
       } else {
-        resizableTextArea.value?.instance.update?.();
+        nextTick(() => {
+          if (resizableTextArea.value.textArea.value !== mergedValue.value) {
+            resizableTextArea.value?.instance.update?.();
+          }
+        });
       }
       nextTick(() => {
         callback && callback();
@@ -152,7 +157,7 @@ export default defineComponent({
       blur,
       resizableTextArea,
     });
-    const mergedValue = ref('');
+
     watchEffect(() => {
       let val = fixControlledValue(stateValue.value) as string;
       if (