EV3: Try JAVA_HOME, then 1st available java in PATH on Windows (#1842)

* Win EV3:Take 1st available Java in PATH
* Win: use JAVA_HOME to detect JRE + Improve logging

installer/platform/trik-studio.cmd

@@ -1,5 +1,17 @@
-@echo off
-title TRIK Studio Safe Mode
-FOR /F "tokens=* USEBACKQ" %%F IN (`where java 2^>NUL`) DO (SET JAVA_PATH=%%~dpF)
-set PATH=%SystemRoot%;%SystemRoot%\system32;%JAVA_PATH%
+@ECHO OFF
+SETLOCAL ENABLEEXTENSIONS
+IF ERRORLEVEL 1 ECHO Failed to enable extensions
+TITLE TRIK Studio Safe Mode
+rem if JAVA_HOME is missing try to find the first Java executable in PATH
+IF DEFINED JAVA_HOME (ECHO JAVA_HOME is "%JAVA_HOME%" && set JAVA_PATH=%JAVA_HOME%\bin) ^
+ELSE (   
+   java -version 2>NUL
+   IF ERRORLEVEL 1 ECHO Missing working java.exe in PATH="%PATH%"
+   FOR /f "usebackq tokens=1* delims=:" %%F IN (`where java 2^>NUL ^| findstr /n "^"`) DO @IF %%F == 1 ( ECHO Using Java: "%%G" && SET JAVA_PATH=%%~dpG)
+)
+rem Clear PATH after Java detection attempt
+SET PATH=%SystemRoot%;%SystemRoot%\system32
+IF "%JAVA_PATH%" == "" ( ECHO Failed to detect Java/JRE ) ELSE (SET PATH=%PATH%;%JAVA_PATH%&& java -version)
+ENDLOCAL
+
 %~dp0trik-studio.exe "%*"