Improve file finder by ignoring spaces in query (#7068)

Release Notes:

- Changed file finder to ignore spaces in queries ([#5324
](https://github.com/zed-industries/zed/issues/5324)).


![image](https://github.com/zed-industries/zed/assets/7274458/14f3d511-129d-4e73-b9d3-12ce1aaa892f)

---------

Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>

crates/file_finder/src/file_finder.rs

@@ -666,6 +666,7 @@ impl PickerDelegate for FileFinderDelegate {
         raw_query: String,
         cx: &mut ViewContext<Picker<Self>>,
     ) -> Task<()> {
+        let raw_query = raw_query.replace(" ", "");
         let raw_query = raw_query.trim();
         if raw_query.is_empty() {
             let project = self.project.read(cx);

crates/file_finder/src/file_finder_tests.rs

@@ -53,6 +53,7 @@ async fn test_matching_paths(cx: &mut TestAppContext) {
         " bandana ",
         " ndan ",
         " band ",
+        "a bandana",
     ] {
         picker
             .update(cx, |picker, cx| {