test: use createTestingPinia instead of createPinia (#8376)

Replace \createPinia\ with \createTestingPinia({ stubActions: false })\
from \@pinia/testing\ across 45 test files for proper test isolation.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8376-test-use-createTestingPinia-instead-of-createPinia-2f66d73d36508137a9f0daffcddc86f7)
by [Unito](https://www.unito.io)

Co-authored-by: Amp <amp@ampcode.com>

src/renderer/extensions/vueNodes/components/NodeSlots.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable vue/one-component-per-file */
+import { createTestingPinia } from '@pinia/testing'
 import { mount } from '@vue/test-utils'
-import { createPinia } from 'pinia'
 import { describe, expect, it } from 'vitest'
 import { defineComponent } from 'vue'
 import type { PropType } from 'vue'
@@ -84,7 +84,7 @@ const mountSlots = (nodeData: VueNodeData, readonly = false) => {
   })
   return mount(NodeSlots, {
     global: {
-      plugins: [i18n, createPinia()],
+      plugins: [i18n, createTestingPinia({ stubActions: false })],
       stubs: {
         InputSlot: InputSlotStub,
         OutputSlot: OutputSlotStub