PanelEdit: Remove right side padding for options pane (#32427)

public/app/features/dashboard/components/PanelEditor/OptionsPane.tsx

@@ -67,14 +67,14 @@ const getStyles = (theme: GrafanaTheme) => {
       display: flex;
       flex: 1 1 0;
       flex-direction: column;
-      padding: ${theme.spacing.md} ${theme.spacing.sm} 0 0;
+      padding: ${theme.spacing.md} 0 0 0;
     `,
     optionsWrapper: css`
       flex-grow: 1;
       min-height: 0;
     `,
     vizButtonWrapper: css`
-      padding: 0 0 ${theme.spacing.md} 0;
+      padding: 0 ${theme.spacing.sm} ${theme.spacing.md} 0;
     `,
     legacyOptions: css`
       label: legacy-options;

public/app/features/dashboard/components/PanelEditor/OptionsPaneOptions.tsx

@@ -188,5 +188,6 @@ const getStyles = (theme: GrafanaTheme) => ({
     background: ${theme.colors.bg1};
     border: 1px solid ${theme.colors.border1};
     margin-bottom: ${theme.spacing.md};
+    flex-grow: 1;
   `,
 });