FIX: Comprehensive file manager UI/UX improvements and bug fixes

- Fix missing i18n for terminal.terminalWithPath translation key
- Update keyboard shortcuts: remove Ctrl+T conflicts, change refresh to Ctrl+Y, rename shortcut to F6
- Remove click-to-rename functionality to prevent accidental renaming
- Fix drag preview z-index and positioning issues during file operations
- Remove false download trigger when dragging files to original position
- Fix 'Must be handling a user gesture' error in drag-to-desktop functionality
- Remove useless minimize button from file editor and diff viewer windows
- Improve context menu z-index hierarchy for better layering
- Add comprehensive drag state management and visual feedback

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/ui/Desktop/Apps/File Manager/components/FileWindow.tsx

@@ -56,7 +56,6 @@ export function FileWindow({
 }: FileWindowProps) {
   const {
     closeWindow,
-    minimizeWindow,
     maximizeWindow,
     focusWindow,
     updateWindow,
@@ -329,10 +328,6 @@ export function FileWindow({
     closeWindow(windowId);
   };
 
-  const handleMinimize = () => {
-    minimizeWindow(windowId);
-  };
-
   const handleMaximize = () => {
     maximizeWindow(windowId);
   };
@@ -355,7 +350,6 @@ export function FileWindow({
       minWidth={400}
       minHeight={300}
       onClose={handleClose}
-      onMinimize={handleMinimize}
       onMaximize={handleMaximize}
       onFocus={handleFocus}
       isMaximized={currentWindow.isMaximized}