feat: replace + icon with edit icon for New Task button

- Changed icon from $(add) to $(edit) in src/package.json
- Updated test expectations in packages/build/src/__tests__/index.test.ts
- Addresses issue #7941 to better convey "start composing a task"

Author: roomote

packages/build/src/__tests__/index.test.ts

@@ -35,7 +35,7 @@ describe("generatePackageJson", () => {
 						{
 							command: "roo-cline.plusButtonClicked",
 							title: "%command.newTask.title%",
-							icon: "$(add)",
+							icon: "$(edit)",
 						},
 						{
 							command: "roo-cline.openInNewTab",
@@ -148,7 +148,7 @@ describe("generatePackageJson", () => {
 					{
 						command: "roo-code-nightly.plusButtonClicked",
 						title: "%command.newTask.title%",
-						icon: "$(add)",
+						icon: "$(edit)",
 					},
 					{
 						command: "roo-code-nightly.openInNewTab",

src/package.json

@@ -73,7 +73,7 @@
 			{
 				"command": "roo-cline.plusButtonClicked",
 				"title": "%command.newTask.title%",
-				"icon": "$(add)"
+				"icon": "$(edit)"
 			},
 			{
 				"command": "roo-cline.promptsButtonClicked",