Dell Inspiron 14 5420 + Kubuntu 23.04 = Web camera not working

• It worked a bit.
• And then stopped working.
• And then after some updates it worked again.
• And then it stopped working again.

Some CLIs outputs :

➜  ~ sudo lshw -c multimedia
  *-usb:2                   
       description: Video
       product: Integrated_Webcam_FHD: Integrat
       vendor: CN07W56Y8LG0029KBB3RA00
       physical id: 6
       bus info: usb@1:6
       logical name: input23
       logical name: /dev/input/event17
       version: 14.11
       capabilities: usb-2.01 usb
       configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
  *-multimedia
       description: Audio device
       product: Alder Lake PCH-P High Definition Audio Controller
       vendor: Intel Corporation
       physical id: 1f.3
       bus info: pci@0000:00:1f.3
       logical name: card0
       logical name: /dev/snd/controlC0
       logical name: /dev/snd/hwC0D0
       logical name: /dev/snd/hwC0D2
       logical name: /dev/snd/pcmC0D0c
       logical name: /dev/snd/pcmC0D0p
       logical name: /dev/snd/pcmC0D31p
       logical name: /dev/snd/pcmC0D3p
       logical name: /dev/snd/pcmC0D4p
       logical name: /dev/snd/pcmC0D5p
       logical name: /dev/snd/pcmC0D6c
       logical name: /dev/snd/pcmC0D7c
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi bus_master cap_list
       configuration: driver=sof-audio-pci-intel-tgl latency=64
       resources: iomemory:600-5ff iomemory:600-5ff irq:169 memory:601d190000-601d193fff memory:601d000000-601d0fffff

➜  ~ glxinfo | grep render
direct rendering: Yes
    GLX_MESA_copy_sub_buffer, GLX_MESA_query_renderer, GLX_MESA_swap_control, 
    GLX_MESA_copy_sub_buffer, GLX_MESA_query_renderer, GLX_MESA_swap_control, 
Extended renderer info (GLX_MESA_query_renderer):
OpenGL renderer string: Mesa Intel(R) Graphics (ADL GT2)
    GL_ARB_compute_variable_group_size, GL_ARB_conditional_render_inverted, 
    GL_IBM_multimode_draw_arrays, GL_INTEL_blackhole_render, 
    GL_NV_compute_shader_derivatives, GL_NV_conditional_render, 
    GL_ARB_compute_variable_group_size, GL_ARB_conditional_render_inverted, 
    GL_INGR_blend_func_separate, GL_INTEL_blackhole_render, 
    GL_NV_conditional_render, GL_NV_copy_image, GL_NV_depth_clamp, 
    GL_EXT_read_format_bgra, GL_EXT_render_snorm, GL_EXT_robustness, 
    GL_EXT_unpack_subimage, GL_INTEL_blackhole_render, 
    GL_NV_conditional_render, GL_NV_draw_buffers, GL_NV_fbo_color_attachments, 
    GL_OES_element_index_uint, GL_OES_fbo_render_mipmap,