Camera randomly moves

System:

$ inxi -Fx        
System: 
  Host: pecet Kernel: 4.19.0-4-amd64 x86_64 bits: 64 compiler: gcc v: 8.3.0  
  Desktop: KDE Plasma 5.14.5 Distro: Debian GNU/Linux buster/sid  
Machine: 
  Type: Desktop System: Dell product: OptiPlex 790 v: 01  
  serial: <root required>  
  Mobo: Dell model: 0J3C2F v: A00 serial: <root required> BIOS: Dell v: A07  
  date: 09/10/2011  
CPU: 
  Topology: Quad Core model: Intel Core i5-2400 bits: 64 type: MCP  
  arch: Sandy Bridge rev: 7 L2 cache: 6144 KiB  
  flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 24745  
  Speed: 1617 MHz min/max: 1600/3400 MHz Core speeds (MHz): 1: 1603 2: 1599  
  3: 1598 4: 1598  
Graphics: 
  Device-1: NVIDIA GK106 [GeForce GTX 660] vendor: Micro-Star MSI  
  driver: nvidia v: 410.104 bus ID: 03:00.0  
  Display: x11 server: X.Org 1.20.3 driver: nvidia  
  resolution: 1280x1024~60Hz  
  OpenGL: renderer: GeForce GTX 660/PCIe/SSE2 v: 4.6.0 NVIDIA 410.104  
  direct render: Yes  
Audio: 
  Device-1: Intel 6 Series/C200 Series Family High Definition Audio  
  vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1b.0  
  Device-2: NVIDIA GK106 HDMI Audio vendor: Micro-Star MSI  
  driver: snd_hda_intel v: kernel bus ID: 03:00.1  
  Device-3: Logitech Webcam C270 type: USB driver: snd-usb-audio,uvcvideo  
  bus ID: 2-1.6:6  
  Sound Server: ALSA v: k4.19.0-4-amd64  
Network: 
  Device-1: Intel 82579LM Gigabit Network vendor: Dell driver: e1000e  
  v: 3.2.6-k port: 4040 bus ID: 00:19.0  
  IF: eno1 state: up speed: 100 Mbps duplex: half mac: 18:03:73:b0:66:be  
Drives: 
  Local Storage: total: 1.25 TiB used: 176.78 GiB (13.9%)  
  ID-1: /dev/sda vendor: GOODRAM model: GOODRAM size: 111.79 GiB  
  ID-2: /dev/sdb vendor: Western Digital model: WD2500AAKX-753CA1  
  size: 232.89 GiB  
  ID-3: /dev/sdc type: USB vendor: Toshiba model: MQ01ABD100  
  size: 931.51 GiB  
Partition: 
  ID-1: / size: 73.96 GiB used: 10.83 GiB (14.6%) fs: ext4 dev: /dev/sda5  
  ID-2: /home size: 225.06 GiB used: 165.95 GiB (73.7%) fs: ext4  
  dev: /dev/sdb5  
  ID-3: swap-1 size: 3.73 GiB used: 2.0 MiB (0.1%) fs: swap dev: /dev/sdb6  
Sensors: 
  System Temperatures: cpu: 38.0 C mobo: N/A gpu: nvidia temp: 35 C  
  Fan Speeds (RPM): N/A gpu: nvidia fan: 30%  
Info: 
  Processes: 180 Uptime: 1h 44m Memory: 7.75 GiB used: 2.39 GiB (30.8%)  
  Init: systemd runlevel: 5 Compilers: gcc: 8.3.0 Shell: zsh v: 5.7.1  
  inxi: 3.0.32

Java:

$ java --version
openjdk 11.0.3 2019-04-16 OpenJDK Runtime Environment (build 11.0.3+1-Debian-1)
OpenJDK 64-Bit Server VM (build 11.0.3+1-Debian-1, mixed mode, sharing)