better iterateContent: do not even look inside the intermediate directories between excluded dir and children content dirs

because uast-conversions actually doesn't depend on the project, but getting the project each time to get the context is too expensive

do not use the position from the debugger context, it may be changed to the breakpoint position if sources are not available

the action is enabled in main menu to change any associated file type

[groovy] remove GroovyRValueProcessor/GroovyLValueProcessor, pass accessor processors into constructor

languages with sting interpolations can have multiple different injections within range.
Fixes WEB-37999 - editing JS with injections in template string

we still should do direct search if injected fragments don't cover the text occurence

(cherry picked from commit 09d603d87e4b04911fe762c440ec84b067fa5ae4)

(cherry picked from commit 344df99e10975905e4ab8247458d61ec1e482183)

for "Assertion can be replaced with if statement" inspection

for "Unqualified inner class access" inspection

in "Unsafe call to 'Class.newInstance()'" inspection