空格弹出下拉框的时候，组织页面向下滚动

src/components/DatePicker.tsx

@@ -299,6 +299,7 @@ export class DatePicker extends React.Component<DateProps, DatePickerState> {
   handleKeyPress(e: React.KeyboardEvent) {
     if (e.key === ' ') {
       this.handleClick();
+      e.preventDefault();
     }
   }
 

src/components/DateRangePicker.tsx

@@ -326,6 +326,7 @@ export class DateRangePicker extends React.Component<
   handleKeyPress(e: React.KeyboardEvent) {
     if (e.key === ' ') {
       this.handleClick();
+      e.preventDefault();
     }
   }
 

src/components/Select.tsx

@@ -491,6 +491,7 @@ export class Select extends React.Component<SelectProps, SelectState> {
   handleKeyPress(e: React.KeyboardEvent) {
     if (e.key === ' ') {
       this.toggle();
+      e.preventDefault();
     }
   }
 

src/renderers/Form/Picker.tsx

@@ -272,6 +272,7 @@ export default class PickerControl extends React.PureComponent<
 
     if (e.key === ' ') {
       this.open();
+      e.preventDefault();
     } else if (selectedOptions.length && e.key == 'Backspace') {
       this.removeItem(selectedOptions.length - 1);
     }

src/renderers/Form/TreeSelect.tsx

@@ -127,6 +127,7 @@ export default class TreeSelectControl extends React.Component<
   handleKeyPress(e: React.KeyboardEvent) {
     if (e.key === ' ') {
       this.handleClick();
+      e.preventDefault();
     }
   }