Fix: Theme selector radio button not aligned in center with the text (#11676)

* Theme selector radio button aligned in center with the text

* fixed alignment, align-items at correct position now

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Co-authored-by: Manan Sadana <manan.sadana@cnhteam.onmicrosoft.com>

res/css/views/settings/_ThemeChoicePanel.pcss

@@ -21,6 +21,7 @@ limitations under the License.
     flex-wrap: wrap;
 
     > .mx_StyledRadioButton {
+        align-items: center;
         padding: $font-16px;
         box-sizing: border-box;
         border-radius: 10px;