Ui improvements (#5755)

* PLT-5816 - Flagged posts tooltip fix

* PLT-5766 - Link previews appearing outside the box

* PLT-5795 - Fixing alignment user list in channel

* PLT-5818 - Reset password error not aligned

* PLT-5837 - Adjusting image preview max height

* PLT-5778 - Updating word break for paragraphs

* PLT-5848 - Updating label for file error

* PLT-5846 - Markdown tables extra border on mobile

* PLT-5662 - Pinned post UI improvement

* Fixing eslint error

* Updating tooltip eslint issue

* PLT-5832 - Removing error styling on labels

webapp/components/admin_console/reset_password_modal.jsx

@@ -61,7 +61,7 @@ class ResetPasswordModal extends React.Component {
 
         if (this.state.serverError) {
             urlClass += ' has-error';
-            serverError = <div className='form-group has-error'><p className='input__help error'>{this.state.serverError}</p></div>;
+            serverError = <div className='has-error'><p className='input__help error'>{this.state.serverError}</p></div>;
         }
 
         let title;