fix(YfmTabs): disable selection-context menu inside tab title

Author: d3m1d0v

src/extensions/yfm/YfmTabs/YfmTabsSpecs/schema.ts

@@ -46,6 +46,7 @@ export const getSchemaSpecs: (
                 DEFAULT_PLACEHOLDERS.TabTitle,
             alwaysVisible: true,
         },
+        selectionContext: false,
         selectable: false,
         allowSelection: false,
         complex: 'leaf',
@@ -164,6 +165,7 @@ export const getSchemaSpecs: (
             content: placeholder?.[TabsNode.RadioTab] ?? DEFAULT_PLACEHOLDERS.RadioTabLabelTitle,
             alwaysVisible: true,
         },
+        selectionContext: false,
         selectable: false,
         allowSelection: false,
         complex: 'leaf',