fix QSS render issue after renaming

src/wce_crm/gui.py

@@ -2578,12 +2578,12 @@ class MainPage_ClickableCell(QFrame):
         super().__init__()
         self.data_record = data_record
         self.setStyleSheet("""
-            ClickableCell {
+            MainPage_ClickableCell {
                 background-color: white;
                 border: 1px solid #e2e8f0;
                 border-radius: 8px; 
             }
-            ClickableCell:hover {
+            MainPage_ClickableCell:hover {
                 background-color: #eff6ff;
                 border: 1px solid #60a5fa;
             }
@@ -2608,7 +2608,7 @@ class MainPage_HeaderCell(QLabel):
         super().__init__(text)
         self.setAlignment(Qt.AlignmentFlag.AlignCenter)
         self.setStyleSheet(f"""
-            HeaderCell {{
+            MainPage_HeaderCell {{
                 background-color: #e2e8f0;
                 color: #475569;
                 font-weight: bold;
@@ -4381,7 +4381,7 @@ class MainWindow(QMainWindow):
         for col_idx, title in enumerate(headers):
             self.header_grid.addWidget(MainPage_HeaderCell(title), self.current_row, col_idx)
 
-        # self.update_grid()
+        self.update_grid()
 
         return main_widget