fix: add missing tr() sources to .pro and regenerate translations

1. Root cause: src/deepin-editor.pro SOURCES/HEADERS was missing four
   files containing tr() calls: common/iflytek_ai_assistant.cpp/.h,
   common/text_file_saver.cpp, editor/markdown/markdownbridge.h and
   widgets/pathsettintwgt.cpp/.h. lupdate never scanned them, so their
   existing translations were marked "vanished" in the .ts catalogs and
   lrelease dropped them from .qm; runtime tr() fell back to English
2. Fix: add all missing files to the .pro lists, then regenerate
   deepin-editor.ts / zh_CN / zh_HK / zh_TW via lupdate. Per language
   16 vanished entries become active with their existing translations:
   3 iflytek prompts, 8 file-save error prompts (text_file_saver),
   5 markdown code-block prompts (MarkdownBridge)
3. Impact: voice read-aloud/dictation prompts, file-save error
   messages and markdown code-block actions now display Chinese
   (Simplified and Traditional); no code logic or build behavior
   changed. Remaining languages recover via the Transifex sync now
   that the .pro is complete. The stale "视图模式" entry (Chinese-literal
   source from an old iteration, superseded by the active "View Mode"
   entry) is removed from all catalogs

Log: Fix English fallback for prompts from files missing in .pro

Influence:
1. Test voice read-aloud/dictation with audio devices disabled
2. Test saving a large file / read-only file to see Chinese error prompts
3. Test markdown code block collapse/expand/copy tooltips
4. Verify settings path labels stay Chinese (PR #694 not regressed)
5. Verify other translated strings remain correct

fix: 补全 .pro 缺失的翻译源文件并重新生成翻译

1. 根因：src/deepin-editor.pro 的 SOURCES/HEADERS 列表缺少四个含
   tr() 调用的文件：common/iflytek_ai_assistant.cpp/.h、
   common/text_file_saver.cpp、editor/markdown/markdownbridge.h、
   widgets/pathsettintwgt.cpp/.h。lupdate 从未扫描过它们，已有译文
   被标记为 vanished，lrelease 丢弃后 .qm 缺失，运行时 tr() 回退英文
2. 方案：将缺失文件全部补入 .pro，用 lupdate 重新生成
   deepin-editor.ts / zh_CN / zh_HK / zh_TW。每个语言 16 条 vanished
   条目恢复生效并保留原有译文：iflytek 提示 3 条、文件保存错误
   提示 8 条（text_file_saver）、Markdown 代码块操作提示 5 条
3. 影响：语音朗读/听写提示、文件保存错误提示、Markdown 代码块
   操作文案恢复正常显示中文（简体与繁体），不涉及代码逻辑与
   编译行为。其余语言可经由 Transifex 同步在 .pro 补全后自动恢复。
   "视图模式"为源码中已无调用的死条目（已被生效的
   "View Mode" 条目取代），已从全部目录中删除

Log: 修复 .pro 缺失源文件导致的提示文案回退英文问题

Influence:
1. 测试禁用音频输出/输入设备时的语音朗读与听写提示
2. 测试大文件/只读文件保存失败时的错误提示文案
3. 测试 Markdown 代码块折叠/展开/复制的提示文案
4. 验证设置页打开/保存位置文案仍为中文（不回退 #694 的修复）
5. 验证其他已翻译文案不受影响

PMS: BUG-380741

Author: pengfeixx

src/deepin-editor.pro

@@ -34,6 +34,7 @@ HEADERS += editor/bookmarkwidget.h \
            editor/linenumberarea.h \
            editor/showflodcodewidget.h \
            editor/uncommentselection.h \
+           editor/markdown/markdownbridge.h \
            encodes/detectcode.h \
            common/comment_global.h \
            common/common.h \
@@ -44,6 +45,8 @@ HEADERS += editor/bookmarkwidget.h \
            common/settings.h \
            common/urlinfo.h \
            common/utils.h \
+           common/iflytek_ai_assistant.h \
+           common/text_file_saver.h \
            controls/findbar.h \
            controls/fontitemdelegate.h \
            controls/jumplinebar.h \
@@ -61,6 +64,7 @@ HEADERS += editor/bookmarkwidget.h \
            widgets/ColorSelectWdg.h \
            widgets/ddropdownmenu.h \
            widgets/window.h \
+           widgets/pathsettintwgt.h \
            editorapplication.h \
            environments.h \
            startmanager.h
@@ -80,6 +84,8 @@ SOURCES += editor/bookmarkwidget.cpp \
            common/performancemonitor.cpp \
            common/settings.cpp \
            common/utils.cpp \
+           common/iflytek_ai_assistant.cpp \
+           common/text_file_saver.cpp \
            controls/findbar.cpp \
            controls/fontitemdelegate.cpp \
            controls/jumplinebar.cpp \
@@ -98,6 +104,7 @@ SOURCES += editor/bookmarkwidget.cpp \
            widgets/ColorSelectWdg.cpp \
            widgets/ddropdownmenu.cpp \
            widgets/window.cpp \
+           widgets/pathsettintwgt.cpp \
            editorapplication.cpp \
            startmanager.cpp \
            main.cpp