Prepare for @nextcloud/vue v8

[susnux]

The next @nextcloud/vue version, version 8, has some breaking changes as some deprecated components and properties were removed. For deck at least this places need to be adjusted:

• Migrate from NcMultiselect to NcSelect

  • deck/src/CardSelector.vue

    Line 27 in deaed63

    <NcMultiselect v-model="selectedBoard"

  • deck/src/components/cards/CardMenu.vue

    Line 63 in deaed63

    <NcMultiselect v-model="selectedBoard"

  • deck/src/components/card/CardSidebarTabDetails.vue

    Line 30 in deaed63

    <NcMultiselect v-model="assignedLabels"

  • deck/src/components/navigation/AppNavigation.vue

    Line 95 in deaed63

    <NcMultiselect v-if="isAdmin"

  • deck/src/components/board/SharingTabSidebar.vue

    Line 3 in deaed63

    <NcMultiselect v-if="canShare"

  • deck/src/CardCreateDialog.vue

    Line 28 in deaed63

    <NcMultiselect v-model="selectedBoard"

• NcPopoverMenu was removed and needs to be replaced Remove deprecated popovermenu component nextcloud-libraries/nextcloud-vue#4081

  • deck/src/components/cards/AvatarList.vue

    Line 54 in 4ddbf47

    <NcPopoverMenu :menu="popover" />

• NcAppNavigationCounter was removed and needs to be replaced Remove deprecated NcAppNavigationCounter component nextcloud-libraries/nextcloud-vue#4096

  • deck/src/components/navigation/AppNavigationBoard.vue

    Line 32 in 4ddbf47

    <NcAppNavigationCounter v-if="board.acl.length"

For more information see this tracker issue nextcloud-libraries/nextcloud-vue#4223

[juliushaertl]

Done with #5621