Backport: Backport: fix(provider/google): support functionCall.id when returned by Gemini API and provide matching functionResponse.id

[github-actions]

This is an automated backport of #15318 to the release-v5.0 branch. FYI @github-actions[bot]
This backport has conflicts that need to be resolved manually. Conflicts resolved.

git cherry-pick output

CONFLICT (file location): examples/ai-functions/src/generate-text/google/function-call-id.ts added in 3ca0daa8e (Backport: fix(provider/google): support `functionCall.id` when returned by Gemini API and provide matching `functionResponse.id` (#15318)) inside a directory that was renamed in HEAD, suggesting it should perhaps be moved to examples/ai-core/src/generate-text/function-call-id.ts.
CONFLICT (file location): examples/ai-functions/src/stream-text/google/function-call-id.ts added in 3ca0daa8e (Backport: fix(provider/google): support `functionCall.id` when returned by Gemini API and provide matching `functionResponse.id` (#15318)) inside a directory that was renamed in HEAD, suggesting it should perhaps be moved to examples/ai-core/src/stream-text/function-call-id.ts.
Auto-merging packages/google/src/convert-to-google-generative-ai-messages.test.ts
CONFLICT (content): Merge conflict in packages/google/src/convert-to-google-generative-ai-messages.test.ts
Auto-merging packages/google/src/convert-to-google-generative-ai-messages.ts
CONFLICT (content): Merge conflict in packages/google/src/convert-to-google-generative-ai-messages.ts
Auto-merging packages/google/src/google-generative-ai-language-model.ts
CONFLICT (content): Merge conflict in packages/google/src/google-generative-ai-language-model.ts
Auto-merging packages/google/src/google-generative-ai-prompt.ts
error: could not apply 3ca0daa8e... Backport: fix(provider/google): support `functionCall.id` when returned by Gemini API and provide matching `functionResponse.id` (#15318)
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