fix default tool logic in gr.ImageEditor (#13379)

* fix default tool logic

* add changeset

* add regression test

* fix test

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>

Author: hannahblair

.changeset/moody-sheep-press.md

@@ -0,0 +1,6 @@
+---
+"@gradio/imageeditor": patch
+"gradio": patch
+---
+
+fix:fix default tool logic in gr.ImageEditor

js/imageeditor/shared/ImageEditor.svelte

@@ -371,8 +371,12 @@
 			ready = true;
 			if (sources.length > 0) {
 				handle_tool_change({ tool: "image" });
-			} else {
+			} else if (brush_options) {
 				handle_tool_change({ tool: "draw" });
+			} else if (eraser_options) {
+				handle_tool_change({ tool: "erase" });
+			} else {
+				handle_tool_change({ tool: "image" });
 			}
 			crop.set_subtool("crop");
 		});

test/components/test_image_editor.py

@@ -77,6 +77,19 @@ def test_component_functions(self):
             "fixed_canvas": False,
         }
 
+    def test_brush_false_eraser_false_config(self):
+        editor = gr.ImageEditor(
+            brush=False,
+            eraser=False,
+            transforms=("crop",),
+            sources=("upload", "clipboard"),
+            layers=False,
+        )
+        config = editor.get_config()
+        assert config["brush"] is False
+        assert config["eraser"] is False
+        assert config["transforms"] == ["crop"]
+
     def test_process_example(self):
         test_image_path = "test/test_files/bus.png"
         image_editor = gr.ImageEditor()