fix: do not include source files in onWatcherStart when `typecheck.…

…ignoreSourceErrors` is true (#2774)

Co-authored-by: Vladimir <sleuths.slews0s@icloud.com>

packages/vitest/src/node/core.ts

@@ -183,7 +183,7 @@ export class Vitest {
       }
       if (this.config.watch) {
         await this.report('onWatcherStart', files, [
-          ...sourceErrors,
+          ...(this.config.typecheck.ignoreSourceErrors ? [] : sourceErrors),
           ...this.state.getUnhandledErrors(),
         ])
       }