Fix empty title in Recent Projects

[huacnlee]

Close #13595

Release Notes:

• Fixed empty title in Recent Projects.

---

Before	After

This is because the LocalPathsOrder get empty list.

[crates/recent_projects/src/recent_projects.rs:385:9] &location = Local(
    LocalPaths(
        [
            "/Users/jason/Library/Application Support/Zed/prettier/node_modules",
        ],
    ),
    LocalPathsOrder(
        [],
    ),
)
[crates/recent_projects/src/recent_projects.rs:386:9] &paths = [
    "~/Library/Application Support/Zed/prettier/node_modules",
]
[crates/recent_projects/src/recent_projects.rs:385:9] &location = Local(
    LocalPaths(
        [
            "/Users/jason/github/tree-sitter-csv",
        ],
    ),
    LocalPathsOrder(
        [],
    ),
)
[crates/recent_projects/src/recent_projects.rs:386:9] &paths = [
    "~/github/tree-sitter-csv",
]
[crates/recent_projects/src/recent_projects.rs:385:9] &location = Local(
    LocalPaths(
        [
            "/Users/jason/work/autocorrect/autocorrect-website/dist",
        ],
    ),
    LocalPathsOrder(
        [],
    ),
)

[Angelk90]

@huacnlee : Why is the height so high of the elements, are there elements before to match this height?

[huacnlee]

@Angelk90 There have many items, not only 1. Them just not have title to display.

[Angelk90]

@huacnlee : What happens when the dir no longer exists?

[CharlesChen0823]

see #16159

[huacnlee]

@Angelk90 The folder is still exist