Revert "fix(markdown): return focus to editor from find bar (#23175)" (#24500)

This reverts commit d9d5993cd5.

src/renderer/src/components/editor/RichMarkdownEditorSurface.tsx

@@ -35,14 +35,6 @@ function shouldFocusEmptyEditorFromSurfaceClick(
   return !target.closest('.rich-markdown-editor-shell button, .rich-markdown-editor-shell input')
 }
 
-function shouldReturnFocusToEditor(event: React.MouseEvent<HTMLDivElement>): boolean {
-  if (event.button !== 0) {
-    return false
-  }
-  const target = event.target
-  return target instanceof Element && Boolean(target.closest('.ProseMirror'))
-}
-
 type RichMarkdownEditorSurfaceProps = {
   editor: Editor | null
   editorFontZoomLevel: number
@@ -217,11 +209,6 @@ export function RichMarkdownEditorSurface({
             // Image layout must not anchor-scroll over the restored tab position.
             className="relative h-full overflow-auto scrollbar-editor [overflow-anchor:none]"
             onMouseDown={(event) => {
-              if (shouldReturnFocusToEditor(event)) {
-                // Keep the find bar open while handing keyboard focus back to the document.
-                searchState.searchInputRef.current?.blur()
-                editor?.commands.focus()
-              }
               if (!shouldFocusEmptyEditorFromSurfaceClick(event, editor)) {
                 return
               }