fix: multiple line editor bugs (#9760)

Co-authored-by: Mark Tolmacs <mark@lazycat.hu>

packages/excalidraw/components/App.tsx

@@ -5868,6 +5868,9 @@ class App extends React.Component<AppProps, AppState> {
         scenePointerY,
         this,
       );
+      const linearElement = editingLinearElement
+        ? this.scene.getElement(editingLinearElement.elementId)
+        : null;
 
       if (
         editingLinearElement &&
@@ -5882,16 +5885,17 @@ class App extends React.Component<AppProps, AppState> {
           });
         });
       }
-      if (editingLinearElement?.lastUncommittedPoint != null) {
+      if (
+        editingLinearElement?.lastUncommittedPoint != null &&
+        linearElement &&
+        isBindingElementType(linearElement.type)
+      ) {
         this.maybeSuggestBindingAtCursor(
           scenePointer,
           editingLinearElement.elbowed,
         );
-      } else {
-        // causes stack overflow if not sync
-        flushSync(() => {
-          this.setState({ suggestedBindings: [] });
-        });
+      } else if (this.state.suggestedBindings.length) {
+        this.setState({ suggestedBindings: [] });
       }
     }
 
@@ -6155,15 +6159,6 @@ class App extends React.Component<AppProps, AppState> {
         setCursor(this.interactiveCanvas, CURSOR_TYPE.AUTO);
       } else if (isOverScrollBar) {
         setCursor(this.interactiveCanvas, CURSOR_TYPE.AUTO);
-      } else if (
-        this.state.selectedLinearElement &&
-        hitElement?.id === this.state.selectedLinearElement.elementId
-      ) {
-        this.handleHoverSelectedLinearElement(
-          this.state.selectedLinearElement,
-          scenePointerX,
-          scenePointerY,
-        );
       } else if (
         // if using cmd/ctrl, we're not dragging
         !event[KEYS.CTRL_OR_CMD]
@@ -6205,6 +6200,14 @@ class App extends React.Component<AppProps, AppState> {
       } else {
         setCursor(this.interactiveCanvas, CURSOR_TYPE.AUTO);
       }
+
+      if (this.state.selectedLinearElement) {
+        this.handleHoverSelectedLinearElement(
+          this.state.selectedLinearElement,
+          scenePointerX,
+          scenePointerY,
+        );
+      }
     }
 
     if (this.state.openDialog?.name === "elementLinkSelector" && hitElement) {