Move from Zed fonts to IBM Plex (#13596)

Release Notes:

- Changed the default fonts to IBM Plex Sans and IBM Plex Mono. If you'd
like to go back to using Zed Sans/Zed mono you need to
[download](https://github.com/zed-industries/zed-fonts/releases/tag/1.2.0)
them and install them.

crates/editor/src/display_map/block_map.rs

@@ -1221,7 +1221,7 @@ mod tests {
     use super::*;
     use crate::display_map::inlay_map::InlayMap;
     use crate::display_map::{fold_map::FoldMap, tab_map::TabMap, wrap_map::WrapMap};
-    use gpui::{div, font, px, AssetSource, Element};
+    use gpui::{div, font, px, Element};
     use multi_buffer::MultiBuffer;
     use rand::prelude::*;
     use settings::SettingsStore;
@@ -2014,12 +2014,7 @@ mod tests {
         let settings = SettingsStore::test(cx);
         cx.set_global(settings);
         theme::init(theme::LoadThemes::JustBase, cx);
-        cx.text_system()
-            .add_fonts(vec![assets::Assets
-                .load("fonts/zed-mono/zed-mono-extended.ttf")
-                .unwrap()
-                .unwrap()])
-            .unwrap();
+        assets::Assets.load_test_fonts(cx);
     }
 
     impl TransformBlock {

crates/editor/src/editor_tests.rs

@@ -10,8 +10,8 @@ use crate::{
 };
 use futures::StreamExt;
 use gpui::{
-    div, AssetSource, SemanticVersion, TestAppContext, UpdateGlobal, VisualTestContext,
-    WindowBounds, WindowOptions,
+    div, SemanticVersion, TestAppContext, UpdateGlobal, VisualTestContext, WindowBounds,
+    WindowOptions,
 };
 use indoc::indoc;
 use language::{
@@ -12489,12 +12489,7 @@ pub(crate) fn update_test_project_settings(
 
 pub(crate) fn init_test(cx: &mut TestAppContext, f: fn(&mut AllLanguageSettingsContent)) {
     _ = cx.update(|cx| {
-        cx.text_system()
-            .add_fonts(vec![assets::Assets
-                .load("fonts/zed-mono/zed-mono-extended.ttf")
-                .unwrap()
-                .unwrap()])
-            .unwrap();
+        assets::Assets.load_test_fonts(cx);
         let store = SettingsStore::test(cx);
         cx.set_global(store);
         theme::init(theme::LoadThemes::JustBase, cx);

crates/editor/src/test.rs

@@ -25,7 +25,7 @@ pub fn marked_display_snapshot(
     let (unmarked_text, markers) = marked_text_offsets(text);
 
     let font = Font {
-        family: "Zed Mono".into(),
+        family: "Zed Plex Mono".into(),
         features: FontFeatures::default(),
         weight: FontWeight::default(),
         style: FontStyle::default(),

crates/editor/src/test/editor_lsp_test_context.rs

@@ -10,7 +10,7 @@ use serde_json::json;
 use crate::{Editor, ToPoint};
 use collections::HashSet;
 use futures::Future;
-use gpui::{AssetSource, View, ViewContext, VisualTestContext};
+use gpui::{View, ViewContext, VisualTestContext};
 use indoc::indoc;
 use language::{
     point_to_lsp, FakeLspAdapter, Language, LanguageConfig, LanguageMatcher, LanguageQueries,
@@ -39,12 +39,7 @@ impl EditorLspTestContext {
         let app_state = cx.update(AppState::test);
 
         cx.update(|cx| {
-            cx.text_system()
-                .add_fonts(vec![assets::Assets
-                    .load("fonts/zed-mono/zed-mono-extended.ttf")
-                    .unwrap()
-                    .unwrap()])
-                .unwrap();
+            assets::Assets.load_test_fonts(cx);
             language::init(cx);
             crate::init(cx);
             workspace::init(app_state.clone(), cx);