refactor: remove unnecessary if condition for linear element onKeyDown (#5486)

* refactor: remove unnecessary if condition for linear element onKeyDown

* fix

src/components/App.tsx

@@ -1872,13 +1872,12 @@ class App extends React.Component<AppProps, AppState> {
           this.state,
         );
 
-        if (
-          selectedElements.length === 1 &&
-          isLinearElement(selectedElements[0])
-        ) {
+        if (selectedElements.length === 1) {
+          if (isLinearElement(selectedElements[0])) {
             if (
               !this.state.editingLinearElement ||
-            this.state.editingLinearElement.elementId !== selectedElements[0].id
+              this.state.editingLinearElement.elementId !==
+                selectedElements[0].id
             ) {
               this.history.resumeRecording();
               this.setState({
@@ -1888,10 +1887,7 @@ class App extends React.Component<AppProps, AppState> {
                 ),
               });
             }
-        } else if (
-          selectedElements.length === 1 &&
-          !isLinearElement(selectedElements[0])
-        ) {
+          } else {
             const selectedElement = selectedElements[0];
 
             this.startTextEditing({
@@ -1902,6 +1898,7 @@ class App extends React.Component<AppProps, AppState> {
             event.preventDefault();
             return;
           }
+        }
       } else if (
         !event.ctrlKey &&
         !event.altKey &&