fix(ui): uxt fixes

frontend/app/components/UsabilityTesting/SidePanel.tsx

@@ -40,7 +40,7 @@ const SidePanel = observer(({ onSave, onPreview, taskLen }: any) => {
       <Tooltip title={taskLen === 0 ? 'Define the starting point and the tasks to proceed.' : ''}>
         <Button type={'primary'} ghost onClick={onPreview} disabled={taskLen === 0}>
           <Space align={'center'}>
-            Preview <ExportOutlined rev={undefined} />
+            Save Draft & Preview <ExportOutlined rev={undefined} />
           </Space>
         </Button>
       </Tooltip>

frontend/app/components/UsabilityTesting/TestEdit.tsx

@@ -166,6 +166,7 @@ function TestEdit() {
             <Typography.Text strong>Starting point</Typography.Text>
             <Input
               style={{ width: 400 }}
+              type={'url'}
               placeholder={'https://mywebsite.com/example-page'}
               value={uxtestingStore.instance!.startingPath}
               onChange={(e) => {