Revert "file_finder: Remove common segments of long paths in search results (#25049)" (#25163)

This reverts commit 9ef0501853 due to a
panic.

```
{
  "thread": "main",
  "payload": "9 is not a valid char boundary in path \"crates/…/LiveKitBridge/\"",
  "location_data": {
    "file": "crates/file_finder/src/file_finder.rs",
    "line": 646
  }
}
```

Release Notes:

- N/A

crates/assistant2/src/inline_prompt_editor.rs

@@ -823,6 +823,7 @@ impl InlineAssistId {
 }
 
 impl PromptEditor<BufferCodegen> {
+    #[allow(clippy::too_many_arguments)]
     pub fn new_buffer(
         id: InlineAssistId,
         gutter_dimensions: Arc<Mutex<GutterDimensions>>,
@@ -983,6 +984,7 @@ impl TerminalInlineAssistId {
 }
 
 impl PromptEditor<TerminalCodegen> {
+    #[allow(clippy::too_many_arguments)]
     pub fn new_terminal(
         id: TerminalInlineAssistId,
         prompt_history: VecDeque<String>,