fix: update ML service event handling and improve UI element dimensions

mobile/apps/photos/lib/services/machine_learning/ml_service.dart

@@ -70,31 +70,33 @@ class MLService {
     _logger.info("client: $client");
 
     // Listen on ComputeController
-    Bus.instance.on<ComputeControlEvent>().listen((event) {
-      if (!flagService.hasGrantedMLConsent) {
-        return;
-      }
+    if (!isProcessBg) {
+      Bus.instance.on<ComputeControlEvent>().listen((event) {
+        if (!flagService.hasGrantedMLConsent) {
+          return;
+        }
 
-      _mlControllerStatus = event.shouldRun;
-      if (_mlControllerStatus) {
-        if (_shouldPauseIndexingAndClustering) {
-          _cancelPauseIndexingAndClustering();
-          _logger.info(
-            "MLController allowed running ML, faces indexing undoing previous pause",
-          );
+        _mlControllerStatus = event.shouldRun;
+        if (_mlControllerStatus) {
+          if (_shouldPauseIndexingAndClustering) {
+            _cancelPauseIndexingAndClustering();
+            _logger.info(
+              "MLController allowed running ML, faces indexing undoing previous pause",
+            );
+          } else {
+            _logger.info(
+              "MLController allowed running ML, faces indexing starting",
+            );
+          }
+          unawaited(runAllML());
         } else {
           _logger.info(
-            "MLController allowed running ML, faces indexing starting",
+            "MLController stopped running ML, faces indexing will be paused (unless it's fetching embeddings)",
           );
+          pauseIndexingAndClustering();
         }
-        unawaited(runAllML());
-      } else {
-        _logger.info(
-          "MLController stopped running ML, faces indexing will be paused (unless it's fetching embeddings)",
-        );
-        pauseIndexingAndClustering();
-      }
-    });
+      });
+    }
 
     _isInitialized = true;
     _logger.info('init done');

mobile/apps/photos/lib/ui/viewer/actions/smart_albums_status_widget.dart

@@ -1,4 +1,5 @@
 import "dart:async";
+import "dart:ui";
 
 import 'package:flutter/material.dart';
 import "package:flutter_spinkit/flutter_spinkit.dart";
@@ -66,7 +67,7 @@ class _SmartAlbumsStatusWidgetState extends State<SmartAlbumsStatusWidget>
       firstCurve: Curves.easeInOutExpo,
       secondCurve: Curves.easeInOutExpo,
       sizeCurve: Curves.easeInOutExpo,
-      crossFadeState: !(_syncingCollection == null ||
+      crossFadeState: (_syncingCollection == null ||
               _syncingCollection!.$1 != widget.collection?.id)
           ? CrossFadeState.showSecond
           : CrossFadeState.showFirst,
@@ -80,9 +81,7 @@ class _SmartAlbumsStatusWidgetState extends State<SmartAlbumsStatusWidget>
                 .copyWith(left: 14),
             decoration: BoxDecoration(
               borderRadius: BorderRadius.circular(8),
-              color: EnteTheme.isDark(context)
-                  ? Colors.white.withOpacity(0.20)
-                  : Colors.black.withOpacity(0.65),
+              color: Colors.black.withOpacity(0.65),
             ),
             child: Row(
               mainAxisSize: MainAxisSize.min,

mobile/apps/photos/lib/ui/viewer/gallery/gallery_app_bar_widget.dart

@@ -540,6 +540,8 @@ class _GalleryAppBarWidgetState extends State<GalleryAppBarWidget> {
             (value?[widget.collection!.id]?.personIDs.isEmpty ?? true)
                 ? "assets/auto-add-people.png"
                 : "assets/edit-auto-add-people.png",
+            width: 20,
+            height: 20,
             color: EnteTheme.isDark(context) ? Colors.white : Colors.black,
           ),
         ),