fix single-file project creation with output-dir

Author: cscheid

src/project/project-context.ts

@@ -100,7 +100,7 @@ import { ProjectEnvironment } from "./project-environment-types.ts";
 import { NotebookContext } from "../render/notebook/notebook-types.ts";
 import { MappedString } from "../core/mapped-text.ts";
 import { createProjectCache } from "../core/cache/cache.ts";
-import { createTempContext } from "../core/temp.ts";
+import { createTempContext, globalTempContext } from "../core/temp.ts";
 
 export async function projectContext(
   path: string,
@@ -419,9 +419,7 @@ export async function projectContext(
           dir = originalDir;
           configResolvers.shift();
         } else if (force) {
-          const temp = createTempContext({
-            dir: join(dir, ".quarto", "temp"),
-          });
+          const temp = globalTempContext();
           const context: ProjectContext = {
             resolveBrand: async (fileName?: string) =>
               projectResolveBrand(context, fileName),
@@ -466,7 +464,7 @@ export async function projectContext(
               return projectFileMetadata(context, file, force);
             },
             isSingleFile: false,
-            diskCache: await createProjectCache(join(dir, ".quarto")),
+            diskCache: await createProjectCache(join(temp.baseDir, ".quarto")),
             temp,
           };
           if (Deno.statSync(path).isDirectory) {