Split CompanyController and introduce standalone User Settings page

Backend:
- Extract user profile methods (show, update, uploadAvatar) from
  CompanyController into new UserProfileController
- CompanyController now only handles company concerns (updateCompany,
  uploadCompanyLogo)
- Remove Account Settings from setting_menu config

Frontend:
- New /admin/user-settings page with 3 tabs: General, Profile Photo,
  Security (password change)
- User dropdown now links to /admin/user-settings instead of
  /admin/settings/account-settings
- Settings sidebar defaults to Company Information as first item
- Remove old monolithic AccountSetting.vue

resources/scripts/admin/views/user-settings/ProfilePhotoTab.vue

@@ -0,0 +1,78 @@
+<template>
+  <form @submit.prevent="updateAvatar">
+    <BaseInputGrid>
+      <BaseInputGroup
+        :label="$t('settings.account_settings.profile_picture')"
+      >
+        <BaseFileUploader
+          v-model="imgFiles"
+          :avatar="true"
+          accept="image/*"
+          @change="onFileInputChange"
+          @remove="onFileInputRemove"
+        />
+      </BaseInputGroup>
+    </BaseInputGrid>
+
+    <BaseButton :loading="isSaving" :disabled="isSaving" class="mt-6">
+      <template #left="slotProps">
+        <BaseIcon
+          v-if="!isSaving"
+          name="ArrowDownOnSquareIcon"
+          :class="slotProps.class"
+        />
+      </template>
+      {{ $t('settings.company_info.save') }}
+    </BaseButton>
+  </form>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { useUserStore } from '@/scripts/admin/stores/user'
+
+const userStore = useUserStore()
+
+const isSaving = ref(false)
+let avatarFileBlob = ref(null)
+let imgFiles = ref([])
+const isAdminAvatarRemoved = ref(false)
+
+if (userStore.currentUser.avatar) {
+  imgFiles.value.push({
+    image: userStore.currentUser.avatar,
+  })
+}
+
+function onFileInputChange(fileName, file) {
+  avatarFileBlob.value = file
+}
+
+function onFileInputRemove() {
+  avatarFileBlob.value = null
+  isAdminAvatarRemoved.value = true
+}
+
+async function updateAvatar() {
+  if (!avatarFileBlob.value && !isAdminAvatarRemoved.value) {
+    return
+  }
+
+  isSaving.value = true
+
+  try {
+    let data = new FormData()
+
+    if (avatarFileBlob.value) {
+      data.append('admin_avatar', avatarFileBlob.value)
+    }
+    data.append('is_admin_avatar_removed', isAdminAvatarRemoved.value)
+
+    await userStore.uploadAvatar(data)
+    avatarFileBlob.value = null
+    isAdminAvatarRemoved.value = false
+  } finally {
+    isSaving.value = false
+  }
+}
+</script>