improve handling of previous connections

src/View/chatPage.tsx

@@ -95,6 +95,9 @@ export function ChatPage(
                         toggle:hidden={
                             chatViewModel.connectionViewModel.isConnected
                         }
+			toggle:disabled={
+			    chatViewModel.connectionViewModel.hasNoPreviousConnections
+			}
 		    >
 			<span class="icon">signal_disconnected</span>
 		    </button>

src/ViewModel/Global/connectionViewModel.ts

@@ -47,6 +47,8 @@ export default class ConnectionViewModel {
                 this.coreViewModel.connectionModel.address,
             );
         }
+
+	this.hideConnectionModal();
     };
 
     // methods
@@ -66,6 +68,9 @@ export default class ConnectionViewModel {
     removePreviousAddress = (address: string): void => {
         this.coreViewModel.connectionModel.removeAddress(address);
         this.updatePreviousAddresses();
+
+	if (this.previousAddresses.value.size > 0) return;
+	this.hideConnectionModal();
     };
 
     // view