Migrate to Mantine v8 and Design Changes (#961)

* mantine v8 migration

* various design changes and improvements

src/shared/components/json-input/json-input.tsx

@@ -0,0 +1,49 @@
+import {
+    JsonInput as MantineJsonInput,
+    JsonInputProps as MantineJsonInputProps,
+} from '@mantine/core';
+import { CSSProperties, forwardRef } from 'react';
+
+import styles from './json-input.module.css';
+
+export interface JsonInputProps extends MantineJsonInputProps {
+    maxWidth?: CSSProperties['maxWidth'];
+    width?: CSSProperties['width'];
+}
+
+export const JsonInput = forwardRef<HTMLTextAreaElement, JsonInputProps>(
+    (
+        {
+            children,
+            classNames,
+            maxWidth,
+            size = 'sm',
+            style,
+            variant = 'default',
+            width,
+            ...props
+        },
+        ref,
+    ) => {
+        return (
+            <MantineJsonInput
+                classNames={{
+                    input: styles.input,
+                    label: styles.label,
+                    required: styles.required,
+                    root: styles.root,
+                    section: styles.section,
+                    wrapper: styles.wrapper,
+                    ...classNames,
+                }}
+                ref={ref}
+                size={size}
+                style={{ maxWidth, width, ...style }}
+                variant={variant}
+                {...props}
+            >
+                {children}
+            </MantineJsonInput>
+        );
+    },
+);