Disable brackted-paste mode off by default (sonic-net#12285)

* Disable brackted-paste mode off by default

* address review comment

files/build_templates/sonic_debian_extension.j2

@@ -228,6 +228,9 @@ sudo dpkg --root=$FILESYSTEM_ROOT -i $debs_path/bash_*.deb || \
 # in bash.bashrc, so we copy a version of the file with it enabled here.
 sudo cp -f $IMAGE_CONFIGS/bash/bash.bashrc $FILESYSTEM_ROOT/etc/
 
+# Install readline's initialization file
+sudo cp -f $IMAGE_CONFIGS/readline/inputrc $FILESYSTEM_ROOT/etc/
+
 # Install prerequisites needed for installing the dependent Python packages of sonic-host-services
 # These packages can be uninstalled after installation
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install libcairo2-dev libdbus-1-dev libgirepository1.0-dev libsystemd-dev pkg-config

files/image_config/readline/inputrc

@@ -0,0 +1,70 @@
+# /etc/inputrc - global inputrc for libreadline
+# See readline(3readline) and `info rluserman' for more information.
+
+# Disable bracketed-paste mode which got enabled by default from bash v5.1
+set enable-bracketed-paste off
+
+# Be 8 bit clean.
+set input-meta on
+set output-meta on
+
+# To allow the use of 8bit-characters like the german umlauts, uncomment
+# the line below. However this makes the meta key not work as a meta key,
+# which is annoying to those which don't need to type in 8-bit characters.
+
+# set convert-meta off
+
+# try to enable the application keypad when it is called.  Some systems
+# need this to enable the arrow keys.
+# set enable-keypad on
+
+# see /usr/share/doc/bash/inputrc.arrows for other codes of arrow keys
+
+# do not bell on tab-completion
+# set bell-style none
+# set bell-style visible
+
+# some defaults / modifications for the emacs mode
+$if mode=emacs
+
+# allow the use of the Home/End keys
+"\e[1~": beginning-of-line
+"\e[4~": end-of-line
+
+# allow the use of the Delete/Insert keys
+"\e[3~": delete-char
+"\e[2~": quoted-insert
+
+# mappings for "page up" and "page down" to step to the beginning/end
+# of the history
+# "\e[5~": beginning-of-history
+# "\e[6~": end-of-history
+
+# alternate mappings for "page up" and "page down" to search the history
+# "\e[5~": history-search-backward
+# "\e[6~": history-search-forward
+
+# mappings for Ctrl-left-arrow and Ctrl-right-arrow for word moving
+"\e[1;5C": forward-word
+"\e[1;5D": backward-word
+"\e[5C": forward-word
+"\e[5D": backward-word
+"\e\e[C": forward-word
+"\e\e[D": backward-word
+
+$if term=rxvt
+"\e[7~": beginning-of-line
+"\e[8~": end-of-line
+"\eOc": forward-word
+"\eOd": backward-word
+$endif
+
+# for non RH/Debian xterm, can't hurt for RH/Debian xterm
+# "\eOH": beginning-of-line
+# "\eOF": end-of-line
+
+# for freebsd console
+# "\e[H": beginning-of-line
+# "\e[F": end-of-line
+
+$endif