Refact/ci remove third party topmost window (#7263)

* Refact. Remove third-party prebuilt dep, topmost window

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* fix ci

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* Update third-party-RustDeskTempTopMostWindow.yml

---------

Signed-off-by: fufesou <shuanglongchen@yeah.net>
Co-authored-by: RustDesk <71636191+rustdesk@users.noreply.github.com>

.github/workflows/flutter-build.yml

@@ -35,8 +35,19 @@ env:
   UPLOAD_ARTIFACT: "${{ inputs.upload-artifact }}"
 
 jobs:
+  build-RustDeskTempTopMostWindow:
+    uses: ./.github/workflows/third-party-RustDeskTempTopMostWindow.yml
+    with:
+      target: windows-2019
+      configuration: Release
+      platform: x64
+      target_version: Windows10
+    strategy:
+        fail-fast: false
+
   build-for-windows-flutter:
     name: ${{ matrix.job.target }} (${{ matrix.job.os }})
+    needs: [build-RustDeskTempTopMostWindow]
     runs-on: ${{ matrix.job.os }}
     strategy:
       fail-fast: false
@@ -125,6 +136,12 @@ jobs:
             ls -l ./libs/portable/Runner.res;
           fi
 
+      - name: Download RustDeskTempTopMostWindow artifacts
+        uses: actions/download-artifact@master
+        with:
+          name: topmostwindow-artifacts
+          path: './flutter/build/windows/x64/runner/Release/'
+
       - name: Sign rustdesk files
         uses: GermanBluefox/code-sign-action@v7
         if: false # env.UPLOAD_ARTIFACT == 'true'