For #14954 - Use TabSessionState.id to check if tab is selected

app/src/main/java/org/mozilla/fenix/tabstray/TabsTrayStore.kt

@@ -170,7 +170,7 @@ internal object TabsTrayReducer {
             is TabsTrayAction.AddSelectTab ->
                 state.copy(mode = TabsTrayState.Mode.Select(state.mode.selectedTabs + action.tab))
             is TabsTrayAction.RemoveSelectTab -> {
-                val selected = state.mode.selectedTabs - action.tab
+                val selected = state.mode.selectedTabs.filter { it.id != action.tab.id }.toSet()
                 state.copy(
                     mode = if (selected.isEmpty()) {
                         TabsTrayState.Mode.Normal

app/src/main/java/org/mozilla/fenix/tabstray/browser/AbstractBrowserTabViewHolder.kt

@@ -223,7 +223,7 @@ abstract class AbstractBrowserTabViewHolder(
                 selected.isEmpty() && trayStore.state.mode.isSelect().not() -> {
                     interactor.onTabSelected(item, featureName)
                 }
-                item in selected -> interactor.deselect(item)
+                item.id in selected.map { item -> item.id } -> interactor.deselect(item)
                 else -> interactor.select(item)
             }
         }

app/src/main/java/org/mozilla/fenix/tabstray/browser/BrowserTabsAdapter.kt

@@ -91,7 +91,10 @@ class BrowserTabsAdapter(
             }
 
             selectionHolder?.let {
-                holder.showTabIsMultiSelectEnabled(selectedMaskView, it.selectedItems.contains(tab))
+                holder.showTabIsMultiSelectEnabled(
+                    selectedMaskView,
+                    (it.selectedItems.map { item -> item.id }).contains(tab.id)
+                )
             }
         }
     }
@@ -129,7 +132,10 @@ class BrowserTabsAdapter(
                     selectedMaskView = listBinding.checkboxInclude.selectedMask
                 }
             }
-            holder.showTabIsMultiSelectEnabled(selectedMaskView, it.selectedItems.contains(holder.tab))
+            holder.showTabIsMultiSelectEnabled(
+                selectedMaskView,
+                it.selectedItems.map { item -> item.id }.contains(tab.id)
+            )
         }
     }