Use Fx* variants of HashMap and HashSet everywhere in Zed (#7481)

Release Notes:

- N/A

crates/project_panel/src/project_panel.rs

@@ -8,6 +8,7 @@ use editor::{actions::Cancel, scroll::Autoscroll, Editor};
 use file_associations::FileAssociations;
 
 use anyhow::{anyhow, Result};
+use collections::{hash_map, HashMap};
 use gpui::{
     actions, div, overlay, px, uniform_list, Action, AppContext, AssetSource, AsyncWindowContext,
     ClipboardItem, DismissEvent, Div, EventEmitter, FocusHandle, FocusableView, InteractiveElement,
@@ -22,14 +23,7 @@ use project::{
 };
 use project_panel_settings::{ProjectPanelDockPosition, ProjectPanelSettings};
 use serde::{Deserialize, Serialize};
-use std::{
-    cmp::Ordering,
-    collections::{hash_map, HashMap},
-    ffi::OsStr,
-    ops::Range,
-    path::Path,
-    sync::Arc,
-};
+use std::{cmp::Ordering, ffi::OsStr, ops::Range, path::Path, sync::Arc};
 use theme::ThemeSettings;
 use ui::{prelude::*, v_flex, ContextMenu, Icon, KeyBinding, Label, ListItem};
 use unicase::UniCase;
@@ -1699,15 +1693,13 @@ impl ClipboardEntry {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use collections::HashSet;
     use gpui::{TestAppContext, View, VisualTestContext, WindowHandle};
     use pretty_assertions::assert_eq;
     use project::{project_settings::ProjectSettings, FakeFs};
     use serde_json::json;
     use settings::SettingsStore;
-    use std::{
-        collections::HashSet,
-        path::{Path, PathBuf},
-    };
+    use std::path::{Path, PathBuf};
     use workspace::AppState;
 
     #[gpui::test]
@@ -3509,7 +3501,7 @@ mod tests {
         cx: &mut VisualTestContext,
     ) -> Vec<String> {
         let mut result = Vec::new();
-        let mut project_entries = HashSet::new();
+        let mut project_entries = HashSet::default();
         let mut has_editor = false;
 
         panel.update(cx, |panel, cx| {