Add shortcut key to Reset search (CTRL + ALT + F)

[asfimport]

@rollno748 (Bug 66053):
Hello,

Need a shortcut key to Reset the search.
This will help us to Reset Search while debugging or enhancing the script.

Reducing the effort in using mouse clicks.

e.g, CTRL + ALT + F

Thanks,

OS: All

[asfimport]

@rollno748 (migrated from Bugzilla):
Created the pull request for the change ::

#710