fix: end composition only when toggling ascii_mode

[ENOA-REIAH-UION]

before: switching any option in Mode_Switch would end composition and commit the first candidate

after: only toggling ascii_mode ends composition and commits the raw input; switching other options no longer end composition. Keyboard switching still commits the first candidate

Pull request

Issue tracker

Fixes will automatically close the related issues

Fixes #1514
Fixes #

Feature

Describe features of this pull request

Code of conduct

• CONTRIBUTING

Code style

• make sytle-lint
• Conventional Commits

Build pass

• make debug

Manually test

• Done

Code Review

1. No wildcards import
2. Manual build and test pass
3. GitHub Action CI pass
4. At least one contributor review and approve
5. Merged clean without conflicts
6. PR will be merged by rebase upstream base

Daily build

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Additional Info

[Copilot]

Pull request overview

Adjusts Trime’s Mode_switch behavior so that switching runtime options no longer always ends an active composition, aligning the IME behavior with the reported issue (#1514) while preserving the existing “keyboard switching commits” behavior.

Changes:

• Stop committing composition for every Mode_switch option toggle from the keyboard action listener.
• Add special-case handling for ascii_mode option updates: when enabling ascii_mode during composition, commit raw input and clear composition.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
app/src/main/java/com/osfans/trime/ime/keyboard/CommonKeyboardActionListener.kt	Removes unconditional commitComposition() after toggling a runtime option.
app/src/main/java/com/osfans/trime/core/Rime.kt	Adds ascii_mode-specific logic to commit raw input + clear composition on enable.

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[Bambooin]

The commit message with only end violate the grammar rule of English, and it's too long for the commit title, we can move the detail message to the commit body.