Fix filter selection dialog

src/main/AndroidManifest.xml

@@ -117,7 +117,7 @@
         <activity
             android:name=".activities.FilterSelectionActivity"
             android:exported="true"
-            android:theme="@style/DialogBase" />
+            android:theme="@style/TasksDialog" />
 
         <activity
             android:name=".activities.AddAttachmentActivity"

src/main/java/org/tasks/activities/FilterSelectionActivity.java

@@ -36,7 +36,7 @@ public class FilterSelectionActivity extends InjectingAppCompatActivity {
 
         final boolean returnFilter = getIntent().getBooleanExtra(EXTRA_RETURN_FILTER, false);
 
-        activityPreferences.applyTheme();
+        activityPreferences.applyDialogTheme();
 
         final FilterAdapter filterAdapter = new FilterAdapter(filterProvider, filterCounter, this, null, false);
         filterAdapter.populateList();

src/main/res/values/styles_dark.xml

@@ -54,6 +54,7 @@
         <item name="asThemeTextColor">@color/dark_blue_theme_color</item>
         <item name="asTextColor">@android:color/white</item>
         <item name="asListDividerColor">#dddddd</item>
+        <item name="icon_tint">@android:color/white</item>
     </style>
 
 </resources>

src/main/res/values/styles_light.xml

@@ -53,6 +53,7 @@
         <item name="asThemeTextColor">@color/dark_blue_theme_color</item>
         <item name="asTextColor">@android:color/black</item>
         <item name="asListDividerColor">#dddddd</item>
+        <item name="icon_tint">@android:color/black</item>
     </style>
 
 </resources>