Fix log expand/collapse conflicting with text selection

Skip toggle when text is selected so marking text doesn't expand logs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: tjazerzen

tui/components.py

@@ -469,7 +469,9 @@ def on_mount(self) -> None:
             pass
 
     def on_click(self) -> None:
-        """Toggle details visibility on click."""
+        """Toggle details visibility on click, unless text is selected."""
+        if self.screen.get_selected_text():
+            return
         try:
             details = self.query_one(f"#log-details-{id(self)}")
             indicator = self.query_one(".log-expand-indicator", Static)