Make autofill insert complete opcode call

[MiranDMC]

Please make language service auto complete option (ctrl+spacebar list), instead of just command name, inserting whole opcode definition along with arguments (same as seen in the opcodes browser window), except the opcode number part.

[MiranDMC]

Just realized that F1 hotkey is performing similar action, but it removes current indentations and inserts unwanted opcode number. Also it inserts random opcodes when used with line that contains just end