Update 25.4 for Dynamics 365 Business Central 2024 Release Wave 2

What's Changed

• New Version number 25.4 / Related to AB#539394 by @mazhelez in #2728
• [releases/25.x] Migrate cleanModePreProcessorSymbols to a conditional setting by @mazhelez in #2727
• [releases/25.x] [Copilot] Reduce KV checks for embed ISVs by @darjoo in #2762
• [25.x][Copilot] Revert error in CheckTextCompletionMetaprompt (#2781) by @darjoo in #2783
• [releases/25.x] Run CLEAN mode only on main and major release branches by @mazhelez in #2744
• [25.x][Edit In Excel] Support plus signs in field names (Currently plus is … by @DenLilleMand in #2784
• [25.x] Fixing update of the test methods by @nikolakukrika in #2839
• [25.x] Removing pages from page search by @nikolakukrika in #2840
• [25.x] [Copilot] Expand chat availability by @msft-sam in #2866

Full Changelog: releases/25.3/StrictMode...releases/25.4/StrictMode