feat: add drag handle

packages/app/src/components/header/EditorHeader.tsx

@@ -43,6 +43,7 @@ export const EditorHeader = () => {
     >
       {title && (
         <StyledTitle
+          data-tauri-drag-region
           onMouseEnter={() => {
             if (isTrash) return;
 

packages/app/src/components/header/Header.tsx

@@ -56,7 +56,11 @@ export const Header = ({
           setShowWarning(false);
         }}
       />
-      <StyledHeader hasWarning={showWarning} data-testid="editor-header-items">
+      <StyledHeader
+        hasWarning={showWarning}
+        data-testid="editor-header-items"
+        data-tauri-drag-region
+      >
         {children}
         <StyledHeaderRightSide>
           {rightItems.map(itemName => {