alignContent='center' in the component section grid row (#5959)

**Problem:**
We converted some flex rows to UIGridRow last week, but it messed up
vertical alignment on some rows.

![image](https://github.com/concrete-utopia/utopia/assets/2226774/21474f05-95c1-4887-b203-0566696c98d7)


**Fix:**
Set alignContent: 'center' on all three places using UIGridRow in the
component inspector
<img width="280" alt="image"
src="https://github.com/concrete-utopia/utopia/assets/2226774/ebb62b30-5bb5-4eb6-9f16-0428b1af0e41">

editor/src/components/inspector/sections/component-section/component-section.tsx

@@ -654,7 +654,12 @@ const RowForBaseControl = React.memo((props: RowForBaseControlProps) => {
       data={null}
     >
       {dataPickerButtonData.popupIsOpen ? dataPickerButtonData.DataPickerComponent : null}
-      <UIGridRow padded={false} style={{ padding: '3px 8px' }} variant='<--1fr--><--1fr-->'>
+      <UIGridRow
+        padded={false}
+        alignContent='center'
+        style={{ padding: '3px 8px' }}
+        variant='<--1fr--><--1fr-->'
+      >
         {propertyLabel}
         <div
           style={{

editor/src/components/inspector/widgets/ui-grid-row.tsx

@@ -127,10 +127,14 @@ export interface GridRowProps extends React.InputHTMLAttributes<HTMLDivElement>
    * alignItems: default value is 'center'
    */
   alignItems?: 'start' | 'center' | 'stretch'
+  /**
+   * alignContent: default value is 'center'
+   */
+  alignContent?: 'start' | 'center' | 'stretch'
 }
 
 export const UIGridRow = React.forwardRef<HTMLDivElement, React.PropsWithChildren<GridRowProps>>(
-  ({ tall, variant, alignItems, style, padded, children, ...props }, ref) => (
+  ({ tall, variant, alignItems, alignContent, style, padded, children, ...props }, ref) => (
     <div
       ref={ref}
       {...props}
@@ -142,6 +146,7 @@ export const UIGridRow = React.forwardRef<HTMLDivElement, React.PropsWithChildre
         gridColumnGap: 10,
         overflow: 'hidden',
         alignItems: alignItems ?? 'center',
+        alignContent: alignContent,
         ...gridTemplates[variant],
         ...(style as any), // TODO Emotion and React 18 types don't like each other
       }}