fix(core): check if valid connection func exists

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

packages/core/src/composables/useHandle.ts

@@ -62,7 +62,7 @@ export default function useHandle({
 
       let isValidConnectionHandler = isValidConnection || isValidConnectionProp.value || alwaysValid
 
-      if (!isValidConnection) {
+      if (!isValidConnectionHandler) {
         if (node) isValidConnectionHandler = (!isTarget ? node.isValidTargetPos : node.isValidSourcePos) || alwaysValid
       }
 
@@ -223,7 +223,7 @@ export default function useHandle({
 
       const node = findNode(unref(nodeId))
 
-      if (!isValidConnection) {
+      if (!isValidConnectionHandler) {
         if (node) isValidConnectionHandler = (!isTarget ? node.isValidTargetPos : node.isValidSourcePos) || alwaysValid
       }
 

packages/minimap/src/MiniMapNode.ts

@@ -14,7 +14,9 @@ export default defineComponent({
       const style = (attrs.style ?? {}) as CSSProperties
       const slot = miniMapSlots[`node-${props.type}`]
 
-      if (slot) return slot!(props)
+      if (slot) {
+        return slot(props)
+      }
 
       return h('rect', {
         id: props.id,