fix(fix): re-add fix_tf2 and minor fix refactor (#2289)

lgsm/functions/core_functions.sh

@@ -357,6 +357,11 @@ functionfile="${FUNCNAME}"
 fn_fetch_function
 }
 
+fix_tf2.sh(){
+functionfile="${FUNCNAME}"
+fn_fetch_function
+}
+
 fix_ut3.sh(){
 functionfile="${FUNCNAME}"
 fn_fetch_function
@@ -649,4 +654,4 @@ core_messages.sh
 core_dl.sh
 
 # Calls the global Ctrl-C trap
-core_trap.sh
+core_trap.sh