fix: retain merged ExportOptions.plist beyond build command (fix #14593)

[onebytegone]

Closes #14593

[github-actions]

Package Changes Through d206b5d

There are 9 changes which include tauri with minor, @tauri-apps/cli with minor, tauri-cli with minor, tauri-utils with patch, tauri-build with patch, tauri-macos-sign with patch, tauri-bundler with minor, tauri-runtime-wry with minor, tauri-runtime with minor

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
tauri-utils	2.8.1	2.8.2
tauri-macos-sign	2.3.2	2.3.3
tauri-bundler	2.7.5	2.8.0
tauri-runtime	2.9.2	2.10.0
tauri-runtime-wry	2.9.3	2.10.0
tauri-codegen	2.5.2	2.5.3
tauri-macros	2.5.2	2.5.3
tauri-plugin	2.5.2	2.5.3
tauri-build	2.5.3	2.5.4
tauri	2.9.5	2.10.0
@tauri-apps/cli	2.9.6	2.10.0
tauri-cli	2.9.6	2.10.0

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[Et3rnel]

I tried the fix by getting the tauri-cli from this branch: cargo install --git https://github.com/onebytegone/tauri.git --branch export-options-temp-file tauri-cli
I can confirm it then worked compared of the main branch:

❯ cargo tauri ios run
Detected connected device: iPhone (iPhone12,1) with target "aarch64-apple-ios"
        Info Looking up installed tauri packages to check mismatched versions...
     Running beforeBuildCommand `bun run build`
$ next build
▲ Next.js 16.1.2 (Turbopack)
- Experiments (use with caution):
  ✓ viewTransition
  
  ...
  
  Deploying app to device...
20:43:16  Acquired tunnel connection to device.
20:43:17  Enabling developer disk image services.
20:43:17  Acquired usage assertion.
App installed:
• bundleID: io.github.eth3r.rusty
• installationURL: file:///private/var/containers/Bundle/Application/0A7FE9B4-B6B2-4AC4-8859-C470AFFBC7A0/rusty.app/
• launchServicesIdentifier: unknown
• databaseUUID: BECAC878-E723-461B-82DA-E4CC6F48E668
• databaseSequenceNumber: 1444
• options:
20:43:19  Acquired tunnel connection to device.
20:43:19  Enabling developer disk image services.
20:43:19  Acquired usage assertion.
Launched application with io.github.eth3r.rusty bundle identifier.

Could we have someone from the team having a look to review the fix? 💪🏻