fix(dashboard): larger JSON metadata editor for better editing UX (#38728) (#38745)

superset-frontend/src/components/Modal/StandardModal.tsx

@@ -50,7 +50,7 @@ export const MODAL_LARGE_WIDTH = 900;
 
 const StyledModal = styled(Modal)`
   .ant-modal-body {
-    max-height: 60vh;
+    max-height: 80vh;
     height: auto;
     overflow-y: auto;
     padding: 0;
@@ -130,6 +130,7 @@ export function StandardModal({
       show={show}
       width={`${width}px`}
       wrapProps={wrapProps}
+      centered={centered}
       title={
         icon ? (
           <ModalTitleWithIcon

superset-frontend/src/dashboard/components/PropertiesModal/sections/AdvancedSection.tsx

@@ -84,7 +84,7 @@ const AdvancedSection = ({
       tabSize={2}
       wordWrap
       width="100%"
-      height="200px"
+      height="60vh"
       annotations={toEditorAnnotations(jsonAnnotations)}
     />
   </ModalFormField>