fix(plugins): add ifdef around accounts API and ci check (#6675)

.github/workflows/build.yml

@@ -39,6 +39,7 @@ jobs:
             skip-artifact: false
             skip-crashpad: false
             build-deb: true
+            plugins: true
           - os: ubuntu-24.04
             container: ghcr.io/chatterino/chatterino2-build-ubuntu-24.04:latest
             qt-version: 6.7.2
@@ -46,6 +47,15 @@ jobs:
             skip-artifact: false
             skip-crashpad: false
             build-deb: true
+            plugins: true
+          - os: ubuntu-24.04
+            container: ghcr.io/chatterino/chatterino2-build-ubuntu-24.04:latest
+            qt-version: 6.7.2
+            force-lto: false
+            skip-artifact: false
+            skip-crashpad: false
+            build-deb: false
+            plugins: false
     env:
       C2_ENABLE_LTO: ${{ matrix.force-lto }}
       C2_ENABLE_CRASHPAD: ${{ matrix.skip-crashpad == false }}
@@ -84,6 +94,7 @@ jobs:
             -DCMAKE_PREFIX_PATH="$Qt6_DIR/lib/cmake" \
             -DCHATTERINO_STATIC_QT_BUILD=On \
             -DFORCE_JSON_GENERATION=${{matrix.os == 'ubuntu-24.04' && 'On' || 'Off'}} \
+            -DCHATTERINO_PLUGINS=${{ matrix.plugins && 'On' || 'Off' }} \
             ..
           make -j"$(nproc)"