fix(cockpit): fix converter inputs and copy-button position

packages/embark-ui/src/components/Converter.js

@@ -1,7 +1,6 @@
 import PropTypes from "prop-types";
 import React from 'react';
 import {
-  InputGroup,
   Card,
   CardBody,
   CardHeader,
@@ -9,7 +8,6 @@ import {
   FormGroup,
   Input,
   Row,
-  InputGroupAddon,
   Label
 } from 'reactstrap';
 import CopyButton from './CopyButton';
@@ -62,12 +60,10 @@ class Converter extends React.Component {
                 this.state.etherConversions.map(unit => (
                   <FormGroup key={unit.key}>
                     <Label htmlFor={unit.name}>{unit.name}</Label>
-                    <InputGroup>
+                    <div className="position-relative">
                       <Input id={unit.name} placeholder={unit.name} value={unit.value} onChange={e => this.handleOnChange(e, unit.key)} />
-                      <InputGroupAddon addonType="append">
                       <CopyButton text={unit.value} title="Copy value to clipboard" size={2}/>
-                      </InputGroupAddon>
-                    </InputGroup>
+                    </div>
                   </FormGroup>
                 ))
               }

packages/embark-ui/src/components/CopyButton.css

@@ -1,7 +1,7 @@
 #root .copy-to-clipboard {
   position: absolute;
-  right: 0;
-  top: 0;
+  right: 1px;
+  top: 0.5px;
   border-top-left-radius: 0;
   border-bottom-right-radius: 0;
   cursor: pointer;