refactor(widget): Remove 'chatFormIsSet'

'charFormIsSet' is small static method used in one place, replaced
on direct using.

src/widget/friendwidget.cpp

@@ -363,16 +363,6 @@ void FriendWidget::search(const QString& searchString, bool hide)
         circleWidget->search(searchString);
 }
 
-// TODO: Remove
-bool FriendWidget::chatFormIsSet(bool focus) const
-{
-    if (focus) {
-        ContentDialog::focusFriend(friendId);
-    }
-
-    return ContentDialog::friendWidgetExists(friendId);
-}
-
 void FriendWidget::setChatForm(ContentLayout* contentLayout)
 {
     Friend* f = FriendList::findFriend(friendId);

src/widget/friendwidget.h

@@ -32,7 +32,6 @@ public:
     void setAsActiveChatroom() override final;
     void setAsInactiveChatroom() override final;
     void updateStatusLight() override final;
-    bool chatFormIsSet(bool focus) const override final;
     void setChatForm(ContentLayout* contentLayout) override final;
     void resetEventFlags() override final;
     QString getStatusString() const override final;

src/widget/genericchatroomwidget.h

@@ -39,7 +39,6 @@ public:
     virtual void setAsActiveChatroom() = 0;
     virtual void setAsInactiveChatroom() = 0;
     virtual void updateStatusLight() = 0;
-    virtual bool chatFormIsSet(bool focus) const = 0;
     virtual void setChatForm(ContentLayout* contentLayout) = 0;
     virtual void resetEventFlags() = 0;
     virtual QString getStatusString() const = 0;

src/widget/groupwidget.cpp

@@ -198,16 +198,6 @@ Group* GroupWidget::getGroup() const
     return GroupList::findGroup(groupId);
 }
 
-// TODO: Remove
-bool GroupWidget::chatFormIsSet(bool focus) const
-{
-    if (focus) {
-        ContentDialog::focusGroup(groupId);
-    }
-
-    return ContentDialog::groupWidgetExists(groupId);
-}
-
 void GroupWidget::setChatForm(ContentLayout* contentLayout)
 {
     Group* g = GroupList::findGroup(groupId);

src/widget/groupwidget.h

@@ -31,7 +31,6 @@ public:
     void setAsInactiveChatroom() final override;
     void setAsActiveChatroom() final override;
     void updateStatusLight() final override;
-    bool chatFormIsSet(bool focus) const final override;
     void setChatForm(ContentLayout* contentLayout) final override;
     void resetEventFlags() final override;
     QString getStatusString() const final override;

src/widget/widget.cpp

@@ -1117,14 +1117,21 @@ void Widget::openDialog(GenericChatroomWidget* widget, bool newWindow)
     widget->resetEventFlags();
     widget->updateStatusLight();
 
+    uint32_t id;
     GenericChatForm* form;
     if (widget->getFriend()) {
-        form = widget->getFriend()->getChatForm();
+        Friend* f = widget->getFriend();
+        form = f->getChatForm();
+        id = f->getFriendId();
     } else {
-        form = widget->getGroup()->getChatForm();
+        Group* g = widget->getGroup();
+        form = g->getChatForm();
+        id = g->getGroupId();
     }
 
-    if ((widget->chatFormIsSet(true) || form->isVisible()) && !newWindow) {
+    ContentDialog::focusFriend(id);
+    bool chatFormIsSet = ContentDialog::friendWidgetExists(id);
+    if ((chatFormIsSet || form->isVisible()) && !newWindow) {
         return;
     }