build: restore workspace on osx builds to get docs-only-change file (#29687)

* build: restore workspace on osx builds to get docs-only-change file

* build: clean up attached workspace before checking out from cache

Co-authored-by: Samuel Attard <samuel.r.attard@gmail.com>

.circleci/config.yml

@@ -1429,6 +1429,8 @@ commands:
           steps:
             - attach_workspace:
                 at: .
+            - *step-maybe-early-exit-doc-only-change
+            - run: rm -rf src/electron
       - *step-restore-brew-cache
       - *step-install-gnutar-on-mac
       - *step-save-brew-cache
@@ -1997,7 +1999,7 @@ jobs:
           persist: true
           checkout: false
           checkout-and-assume-cache: true
-          attach: false
+          attach: true
 
   osx-testing-x64-gn-check:
     executor:
@@ -2073,7 +2075,7 @@ jobs:
           persist: true
           checkout: false
           checkout-and-assume-cache: true
-          attach: false
+          attach: true
 
   mas-testing-x64:
     executor: macos
@@ -2089,7 +2091,7 @@ jobs:
           persist: true
           checkout: false
           checkout-and-assume-cache: true
-          attach: false
+          attach: true
 
   mas-testing-x64-gn-check:
     executor:
@@ -2167,7 +2169,7 @@ jobs:
           persist: true
           checkout: false
           checkout-and-assume-cache: true
-          attach: false
+          attach: true
 
   # Layer 3: Tests.
   linux-x64-unittests: