Utils: Rename FilePath::absolutePath(FilePath) to resolvePath

There was already a similar function taking a QString.

After that, the remaining no-argument version of absolutePath()
can be deprecated.

Change-Id: I5b9ad8c8b68a5723891b0aa9f5a37e90db0fe09e
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: David Schulz <david.schulz@qt.io>

src/libs/utils/qtcprocess.cpp

@@ -516,7 +516,7 @@ public:
         if (filePath.isAbsolutePath())
             return filePath;
 
-        const FilePath fromWorkingDir = workingDir.absoluteFilePath(filePath);
+        const FilePath fromWorkingDir = workingDir.resolvePath(filePath);
         if (fromWorkingDir.exists() && fromWorkingDir.isExecutableFile())
             return fromWorkingDir;
         return filePath.searchInPath();