Disable click to move by typing
/fishingtime
so you can use use fishing addon (BetterFishing) that need you to Double click to cast
and type /fishingtime again and it well turn on the click to move again
IF you want to disable the icon that will show you if you have Click to move on type /disableicon
When Move to click is disable you will get the text "Fishing TIME" in chat and when move to click is enabled again "No More Fishing"