Fix variable names

[szepeviktor]

Description

Some variables names were misspelled.

[szepeviktor]

Some test descriptions need a little care.

error: `retrives` should be `retrieves`
  --> -:2:21
  |
2 | 74 |   it('properly retrives shadow root host for extended selector', function() {
  |                     ^^^^^^^^
  |
error: `loction` should be `location`
  --> -:3:107
  |
3 | 60 |   it('preserved element should relocated unchanged if it is part of a oob swap targeting a different loction', function() {
  |                                                                                                           ^^^^^^^
  |
error: `preseved` should be `preserved`
  --> -:4:48
  |
4 | 72 |   it('when moveBefore is disabled/missing preseved content is copied into fragment instead of pantry', function() {
  |                                                ^^^^^^^^
  |
error: `backets` should be `baskets`, `brackets`, `buckets`
  --> -:5:63
  |
5 | 528 |   it('filters properly with condition containing square backets', function() {
  |                                                               ^^^^^^^
  |
error: `replacment` should be `replacement`
  --> -:6:61
  |
6 | 15 |   it('content of hx-history-elt is used during history replacment', function() {
  |                                                             ^^^^^^^^^^
  |
error: `cancled` should be `canceled`
  --> -:7:30
  |
7 | 25 |   it('hx-prompt that is cancled returns null and blocks the request', function() {
  |                              ^^^^^^^
  |
error: `retrives` should be `retrieves`
  --> -:8:21
  |
8 | 74 |   it('properly retrives shadow root host for extended selector', function() {
  |                     ^^^^^^^^
  |
error: `loction` should be `location`
  --> -:9:107
  |
9 | 60 |   it('preserved element should relocated unchanged if it is part of a oob swap targeting a different loction', function() {
  |                                                                                                           ^^^^^^^
  |
error: `preseved` should be `preserved`
  --> -:10:48
   |
10 | 72 |   it('when moveBefore is disabled/missing preseved content is copied into fragment instead of pantry', function() {
   |                                                ^^^^^^^^
   |
error: `backets` should be `baskets`, `brackets`, `buckets`
  --> -:11:63
   |
11 | 528 |   it('filters properly with condition containing square backets', function() {
   |                                                               ^^^^^^^
   |

[MichaelWest22]

Looks good to me. Many of these look to be things I've mistyped sorry