[dolphin] [Bug 430222] New: After setting the default browser to chrome, plasmashell and dolphin reach 100% cpu usage and are often unresponsive.

[wufe8]

https://bugs.kde.org/show_bug.cgi?id=430222

            Bug ID: 430222
           Summary: After setting the default browser to chrome,
                    plasmashell and dolphin reach 100% cpu usage and are
                    often unresponsive.
           Product: dolphin
           Version: 20.08.3
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: wufeo8 at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 133972
  --> https://bugs.kde.org/attachment.cgi?id=133972&action=edit
home page

SUMMARY

STEPS TO REPRODUCE
1. `pacman -S yay`
2. `yay google-chrome`
3. system setting -> Applications -> default applications -> web browser :
Google Chrome
Or check the box to set chrome as the default browser when first open chrome

OBSERVED RESULT
1. Add widget left pop-up window constantly refreshes itself
2. plasmashell and dolphin takes up 100% of cpu and causes system lag
3. dolphin often crashes on its own and desktop jamming

SOFTWARE/OS VERSIONS
neofetch (Before reproducing the operation):
```
testuser at wufe8-os 
----------------- 
OS: Manjaro Linux x86_64 
Kernel: 5.9.11-3-MANJARO 
Uptime: 57 mins 
Packages: 1319 (pacman) 
Shell: bash 5.0.18 
Resolution: 1920x1080, 1920x1080 
DE: Plasma 5.20.4 
WM: KWin 
Theme: Breath2 [Plasma], Breath [GTK2/3] 
Icons: breath2 [Plasma], breath2 [GTK2/3] 
Terminal: yakuake 
CPU: Intel i7-8700K (12) @ 4.700GHz 
GPU: Intel UHD Graphics 630 
GPU: NVIDIA GeForce GTX 1080 Ti 
Memory: 2076MiB / 15868MiB 
```

pacman -Qs google-chrome:
```
local/google-chrome 87.0.4280.88-1
    The popular and trusted web browser by Google (Stable Channel)
```

ADDITIONAL INFORMATION
`killall plasmashell; plasmashell &` or `reboot` or reset default browser to
firefox won't fix these problem.
If after reinstallation of the system with no formatting /home. The above
problem still occurs.
I have packed the home directory before and after for viewing.
My major language is Chinese. Some content may have translation errors, sry.

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