Fix dropping clip in timeline can lead to crash if drop ended outside timeline

1 job for master in 47 seconds
Status Job ID Name Coverage
  Build
failed #35822
linux kf5-qt5 qt5.12

00:00:47

 
Name Stage Failure
failed
linux kf5-qt5 qt5.12 Build

Skipping Git submodules setup
$ git clone --depth=1 https://anongit.kde.org/sysadmin/ci-tooling $CI_TOOLING
Cloning into '/build/ci-tooling'...
fatal: unable to access 'https://anongit.kde.org/sysadmin/ci-tooling/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to anongit.kde.org:443
Uploading artifacts...
WARNING: JUnitTestResults.xml: no matching files
ERROR: No files to upload
ERROR: Job failed: exit code 1