fix: resolve sidebar CancellationError and truncate long toolbar version

Plugins/OracleDriverPlugin/OracleConnection.swift

@@ -195,6 +195,8 @@ final class OracleConnectionWrapper: @unchecked Sendable {
             throw OracleError(message: detail)
         } catch let error as OracleError {
             throw error
+        } catch is CancellationError {
+            throw CancellationError()
         } catch {
             throw OracleError(message: "Query execution failed: \(String(describing: error))")
         }

TablePro/ViewModels/SidebarViewModel.swift

@@ -170,6 +170,7 @@ final class SidebarViewModel {
     // MARK: - Table Loading
 
     func loadTables(force: Bool = false) {
+        loadTask?.cancel()
         guard !isLoading else { return }
         isLoading = true
         errorMessage = nil
@@ -230,6 +231,8 @@ final class SidebarViewModel {
                 }
             }
             isLoading = false
+        } catch is CancellationError {
+            isLoading = false
         } catch {
             errorMessage = error.localizedDescription
             isLoading = false

TablePro/Views/Toolbar/ConnectionStatusView.swift

@@ -42,6 +42,9 @@ struct ConnectionStatusView: View {
         Text(formattedDatabaseInfo)
             .font(.system(size: ThemeEngine.shared.activeTheme.typography.small, weight: .regular, design: .monospaced))
             .foregroundStyle(ThemeEngine.shared.colors.toolbar.secondaryTextSwiftUI)
+            .lineLimit(1)
+            .truncationMode(.middle)
+            .frame(maxWidth: 280)
             .accessibilityLabel(
                 String(localized: "Database type: \(formattedDatabaseInfo)")
             )