Add image dimension and file size information (#21675)

Closes https://github.com/zed-industries/zed/issues/21281

@jansol, kindly take a look when you're free.


![image](https://github.com/user-attachments/assets/da9a54fa-6284-4012-a243-7e355a5290d3)

Release Notes:

- Added dimensions and file size information for images.

---------

Co-authored-by: tims <0xtimsb@gmail.com>
Co-authored-by: Marshall Bowers <git@maxdeviant.com>

crates/zed/src/zed.rs

@@ -26,6 +26,7 @@ use gpui::{
     Entity, Focusable, KeyBinding, MenuItem, ParentElement, PathPromptOptions, PromptLevel,
     ReadGlobal, SharedString, Styled, Task, TitlebarOptions, Window, WindowKind, WindowOptions,
 };
+use image_viewer::ImageInfo;
 pub use open_listener::*;
 use outline_panel::OutlinePanel;
 use paths::{local_settings_file_relative_path, local_tasks_file_relative_path};
@@ -201,6 +202,7 @@ pub fn initialize_workspace(
         let active_toolchain_language =
             cx.new(|cx| toolchain_selector::ActiveToolchain::new(workspace, window, cx));
         let vim_mode_indicator = cx.new(|cx| vim::ModeIndicator::new(window, cx));
+        let image_info = cx.new(|_cx| ImageInfo::new(workspace));
         let cursor_position =
             cx.new(|_| go_to_line::cursor_position::CursorPosition::new(workspace));
         workspace.status_bar().update(cx, |status_bar, cx| {
@@ -211,6 +213,7 @@ pub fn initialize_workspace(
             status_bar.add_right_item(active_toolchain_language, window, cx);
             status_bar.add_right_item(vim_mode_indicator, window, cx);
             status_bar.add_right_item(cursor_position, window, cx);
+            status_bar.add_right_item(image_info, window, cx);
         });
 
         let handle = cx.entity().downgrade();
@@ -4053,6 +4056,7 @@ mod tests {
                 app_state.client.http_client().clone(),
                 cx,
             );
+            image_viewer::init(cx);
             language_model::init(cx);
             language_models::init(
                 app_state.user_store.clone(),