Auto merge of #18175 - stshine:no-floats-in-flexbox, r=mbrubeck

layout: Stop call normal block size assignment for flex container

No need to call the `assign_block_size_block_base()` method of normal block in flex.rs since it is implemented for CSS2.

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- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #14813 (github issue number if applicable).

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- [X] There are tests for these changes

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tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox-margin-auto-horiz-002.htm.ini

@@ -1,3 +0,0 @@
-[flexbox-margin-auto-horiz-002.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_item-float.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_item-float.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_rowspan-overflow-automatic.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_rowspan-overflow-automatic.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_rowspan-overflow.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_rowspan-overflow.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_rowspan.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_rowspan.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_stf-abspos.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_stf-abspos.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_stf-float.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_stf-float.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_stf-inline-block.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_stf-inline-block.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_stf-table-cell.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_stf-table-cell.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_stf-table-row-group.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_stf-table-row-group.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_stf-table-row.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_stf-table-row.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_stf-table.htm.ini

@@ -1,3 +0,0 @@
-[flexbox_stf-table.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata-css/css-flexbox-1_dev/html/flexible-box-float.htm.ini

@@ -1,3 +0,0 @@
-[flexible-box-float.htm]
-  type: reftest
-  expected: FAIL