editor/code: Sort the style to import types

see:
- https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/consistent-type-imports.md
- https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/no-import-type-side-effects.md

editors/code/tests/unit/launch_config.test.ts

@@ -1,6 +1,6 @@
 import * as assert from "assert";
 import { Cargo } from "../../src/toolchain";
-import { Context } from ".";
+import type { Context } from ".";
 
 export async function getTests(ctx: Context) {
     await ctx.suite("Launch configuration/Lens", (suite) => {

editors/code/tests/unit/runnable_env.test.ts

@@ -1,8 +1,8 @@
 import * as assert from "assert";
 import { prepareEnv } from "../../src/run";
-import { RunnableEnvCfg } from "../../src/config";
-import { Context } from ".";
-import * as ra from "../../src/lsp_ext";
+import type { RunnableEnvCfg } from "../../src/config";
+import type { Context } from ".";
+import type * as ra from "../../src/lsp_ext";
 
 function makeRunnable(label: string): ra.Runnable {
     return {

editors/code/tests/unit/settings.test.ts

@@ -1,5 +1,5 @@
 import * as assert from "assert";
-import { Context } from ".";
+import type { Context } from ".";
 import { substituteVariablesInEnv } from "../../src/config";
 
 export async function getTests(ctx: Context) {