fix: make QLineEdit's less ugly in light themes (#6055)

src/widgets/dialogs/EmotePopup.cpp

@@ -16,6 +16,7 @@
 #include "providers/twitch/TwitchChannel.hpp"
 #include "singletons/Emotes.hpp"
 #include "singletons/Settings.hpp"
+#include "singletons/Theme.hpp"
 #include "singletons/WindowManager.hpp"
 #include "util/Helpers.hpp"
 #include "widgets/helper/ChannelView.hpp"
@@ -315,6 +316,8 @@ EmotePopup::EmotePopup(QWidget *parent)
             }
             this->reloadEmotes();
         });
+
+    this->themeChangedEvent();
 }
 
 void EmotePopup::addShortcuts()
@@ -660,6 +663,16 @@ void EmotePopup::moveEvent(QMoveEvent *event)
     BasePopup::moveEvent(event);
 }
 
+void EmotePopup::themeChangedEvent()
+{
+    BasePopup::themeChangedEvent();
+
+    // NOTE: This currently overrides the QLineEdit's font size.
+    // If the dialog is open when the theme is changed, things will look a bit off.
+    // This can be alleviated by us using a single application-wide style sheet for these things.
+    this->search_->setStyleSheet(this->theme->splits.input.styleSheet);
+}
+
 void EmotePopup::closeEvent(QCloseEvent *event)
 {
     this->saveBounds();

src/widgets/dialogs/EmotePopup.hpp

@@ -28,6 +28,7 @@ public:
 protected:
     void resizeEvent(QResizeEvent *event) override;
     void moveEvent(QMoveEvent *event) override;
+    void themeChangedEvent() override;
 
 private:
     ChannelView *globalEmotesView_{};

src/widgets/dialogs/SelectChannelDialog.cpp

@@ -191,6 +191,8 @@ SelectChannelDialog::SelectChannelDialog(QWidget *parent)
     this->ui_.twitch.channel->setFocus();
 
     this->addShortcuts();
+
+    this->themeChangedEvent();
 }
 
 void SelectChannelDialog::ok()
@@ -392,16 +394,11 @@ void SelectChannelDialog::themeChangedEvent()
 {
     BaseWindow::themeChangedEvent();
 
-    if (this->theme->isLightTheme())
-    {
-        this->setStyleSheet(
-            "QRadioButton { color: #000 } QLabel { color: #000 }");
-    }
-    else
-    {
-        this->setStyleSheet(
-            "QRadioButton { color: #fff } QLabel { color: #fff }");
-    }
+    // NOTE: This currently overrides the QLineEdit's font size.
+    // If the dialog is open when the theme is changed, things will look a bit off.
+    // This can be alleviated by us using a single application-wide style sheet for these things.
+    this->ui_.twitch.channelName->setStyleSheet(
+        this->theme->splits.input.styleSheet);
 }
 
 void SelectChannelDialog::addShortcuts()