fix(core): add missing straight path switch case

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

packages/core/src/components/ConnectionLine/ConnectionLine.vue

@@ -60,7 +60,9 @@ const dAttr = computed(() => {
     targetPosition: targetPosition.value,
   }
 
-  switch (connectionLineType || connectionLineOptions.type) {
+  const type = connectionLineType ?? connectionLineOptions.type
+
+  switch (type) {
     case ConnectionLineType.Bezier:
       ;[path] = getBezierPath(pathParams)
       break
@@ -76,6 +78,12 @@ const dAttr = computed(() => {
     case ConnectionLineType.SimpleBezier:
       ;[path] = getSimpleBezierPath(pathParams)
       break
+    case ConnectionLineType.Straight:
+      ;[path] = getStraightPath(pathParams)
+      break
+    default:
+      ;[path] = getBezierPath(pathParams)
+      break
   }
 
   return path